A Colorful Journey through Endless Patterns of Quick Wits
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Welcome to Age of Puzzles
This website is intended as part of a wide puzzle-book-web project entitled Age of Puzzles. The project will also include a printed book which will be created chapter-by-chapter, so that as a result all these chapters will make a comprehensive mosaic of puzzles created by different people in different time and at different places.

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Ernest Irving Freese's Geometric Transformations
 
Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!  
by Greg Frederickson
This book introduces Ernest Irving Freese and his 200-plate manuscript on geometric transformations completed yet in 1957 shortly before he passed away. This manuscript may be considered as the first book-length treatment on that subject. Freese was an architect who lived and worked in Los Angeles, and after his death the manuscript lay forgotten in his former house for more than four decades until Greg Frederickson discovered this geometrical masterpiece. In 2003 Frederickson started its recovery and added to its refurbished copy a biography of Freese, a history of geometric dissections with a commentary and some improvements made after Freese...
Buy at Amazon.com >
The Christmas Quilt by Serhiy Grabarchuk
 
The Christmas Quilt
by Serhiy Grabarchuk
How many outlines of squares of all sizes can you find in the entire quilt?...
go to puzzle >
Donald E. Knuth

Donald E. Knuth
 
Donald E. Knuth
by Serhiy Grabarchuk
Donald Ervin Knuth is a computer scientist, mathematician, and professor emeritus at Stanford University (www-cs-faculty.stanford.edu/~knuth). His work has revolutionized the entire computer world, and his famous multi-volume work The Art of Computer Programming is the programmers’ Bible. Knuth created the modern infrastructure of typefaces along with the TeX system for computer typesetting and the METAFONT system for creating and rendering fonts...
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Seven Puzzles for G4G7 by Serhiy Grabarchuk
 
Seven Puzzles for G4G7
by Serhiy Grabarchuk
The Gathering for Gardner (G4G) is the unique biennial event founded in 1993 by Gardner fan and puzzle collector, Tom Rodgers. Getting together in Atlanta, the World's foremost mathematicians, puzzlers and magicians, deeply influenced by Martin Gardner's work and life, bring with them some writings related to the fields of their interest and prepared specially to honor Martin Gardner...
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Puzzle Classics at G4G7 by Serhiy Grabarchuk
 
Puzzle Classics at G4G7
by Serhiy Grabarchuk
Classic puzzles make a substantial and distinctive part within all puzzles available to puzzlers in different forms, real and virtual. Many of them are well-known, and still they hide a lot of surprises which can lead puzzlers to new and improved solutions, while puzzle creators can come up with new challenges and variations...
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Harry L. Nelson

Harry L. Nelson
 
Harry L. Nelson
by Serhiy Grabarchuk
Harry Lewis Nelson is a mathematician, computer programmer and expert, math editor, and devoted puzzle inventor. Now on the market there are about two dozen puzzles and games developed with Nelson's participation and ingenious input. In 1972 Harry Nelson founded the Minimax Game Corporation, a small company helping puzzle creators develop and bring different puzzles to market...
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303 Three-Minute Puzzles by The Grabarchuk Family
303 Three-Minute Puzzles by The Grabarchuk Family.
303 Three-Minute Puzzles
by The Grabarchuk Family
It's our newest printed puzzle book officially released by Puzzlewright / Sterling Publishing Co., Inc. on June 3, 2014. This colorful puzzle collection is based on our Top Rated Puzzlebook series. In the printed collection you will find 303 pictorial, hand-crafted puzzle quizzes in different themes: visual, spatial, counting, geometry, matchstick, coins, searching, and much more. Definitely, you'll enjoy this puzzle collection...
Buy at Amazon.com  |  read more >
The Mirage Puzzle by Serhiy Grabarchuk
 
The Mirage Puzzle
by Serhiy Grabarchuk
Fifteen transparent tiles and one opaque tile are placed within a flat, 3 x 3 box with a transparent top and bottom. All transparent tiles have special patterns. Slide tiles to reach the goal position with all cells showing seven dots each. Note that the central opaque tile is as thick as two transparent tiles are.
learn more >
The Tangramion by Serhiy Grabarchuk
 
The Tangramion by Serhiy Grabarchuk
The Tangramion
by Serhiy Grabarchuk
This is a new assembling puzzle consisting of seven two-sided tiles which initially form a perfect square. Using all the seven tiles, you can solve different challenges both entertaining and cognitive. A wonderful, laser-cut acrylic version of the Tangramion accompanied with a 16-page booklet was just released by Kadon Enterprises, Inc.. The set of challenges is extended by Kate Jones so that the whole set proposes over 200 different challenges...
go to puzzle >
buy puzzle >
GAMES World of Puzzles - Extra, 2012
 
Puzzle Quizzes
by The Grabarchuk Family
A big selection of our Puzzle Quizzes is published in the Extra 2012 issue of the GAMES World of Puzzles in its Special Bonus section, see pages 33-43. You'll find there 60 Puzzle Quizzes in different difficulty levels...
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DoubLetters: Perception by Serhiy Grabarchuk
 
DoubLetters: Perception
by Serhiy Grabarchuk
Place the six DoubLetters cards in a line to form a real word (Hint: It's related to perception). Cards can overlap each other but no card should be fully covered or flipped over...
go to puzzle >
Hearts & Diamonds by Serhiy Grabarchuk
 
Hearts & Diamonds
by Serhiy Grabarchuk
A circular plate decorated with hearts and diamonds is made of two parts--a smaller central disk is placed in the middle of a bigger one. There are more hearts than diamonds on the plate. Rotating the central disk counterclockwise, you can make the numbers of the hearts and the diamonds equal. One additional diamond appears! Could you explain this?...
Puzzles.COM  |  go to puzzle >
Mosaic Eggs by The Grabarchuk Family
 
Mosaic Eggs
by The Grabarchuk Family
In the mosaic, find a pair of exactly identical eggs. Note that they can be rotated but not mirrored. Happy Easter!...
go to puzzle >
The Spiral Galaxy Mystery by Serhiy Grabarchuk
 
The Spiral Galaxy Mystery
by Serhiy Grabarchuk
The stars that form this unique spiral galaxy are Supernova, Nebula, Red Giant, Protostar, White Dwarf, and Black Dwarf, as shown in the Start position. Stars can move just along the lines of the galaxy. Your star challenge is to move the stars to the Goal position sliding one star at a time, in exactly fifteen single sliding moves...
Geduldspiele  |  go to puzzle >
Sliding Tiles for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Sliding Tiles for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
Here is one of the most original collection of sliders, comprising 300 hand-crafted puzzles, all with realistic and fun gameplay. Sliders (aka sliding block puzzles) are highly dynamic and incredibly compact puzzles first popularized in the 19th century. We have constantly been creating this collection of sliders during the past 20 years, and many of them were changed into physical toys or online versions on the Web. Now it becomes available to all iPhone, iPod touch and iPad puzzle lovers!...
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Fish Crackers for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Fish Crackers for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
One of the most advanced assembling puzzles on the App Store is here! It features 100 original puzzles with real 2D physics - move, rotate, and bump pieces as real physical objects. Puzzles are ranged from very simple with 3 pieces only, up to really hard ones with 9 pieces. Some years ago this puzzle was manufactured and distributed exclusively in Japan. Now it becomes available to all iPhone, iPod touch and iPad puzzle lovers all over the World!...
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Puzzlebook: 100 Matchstick Puzzles by The Grabarchuk Family
 
Puzzlebook: 100 Matchstick Puzzles
by The Grabarchuk Family
Discover a new Puzzlebook series of hands-on puzzles. The first book embraces 100 matchstick puzzles which you can play anywhere using matchsticks, toothpicks, pencils, crayons, pretzel sticks....be creative! For the past fifteen years, we've been creating matchstick puzzles. They have appeared in printed books, periodicals, contests, on the Web, and even on the radio. Now it's time for a Kindle edition!...
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more of the Grabarchuks' Books >
Puzzlebook: 103 Puzzle Quizzes by The Grabarchuk Family
 
Puzzlebook: 103 Puzzle Quizzes
by The Grabarchuk Family
This is Volume 4 of our Top Rated Puzzlebook series. In this brand-new puzzle collection you will find 102 pictorial, hand-crafted puzzle quizzes in different themes: visual, spatial, counting, geometry, matchstick, coins, searching, and much more. Be sure to check Puzzlebook: 100 Puzzle Quizzes, Puzzlebook: 101 Puzzle Quizzes, and Puzzlebook: 102 Puzzle Quizzes for more!...
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more of the Grabarchuks' Books >
The Big, Big, Big Book of Brainteasers by The Grabarchuk Family
The Big, Big, Big Book of Brainteasers by The Grabarchuk Family.
The Big, Big, Big Book of Brainteasers
by The Grabarchuk Family
It's our newest printed puzzle book officially released by Puzzlewright / Sterling Publishing Co., Inc. on September 6, 2011. This is a colorful collection of our 567 puzzles in a wide variety of puzzle types, designed to appeal to all levels of puzzlers, from the novice to the experienced solver. None of the puzzles requires any special knowledge except for the basics of arithmetic, geometry, and algebra. The only things you’ll really need to fully enjoy the book are a can-do attitude, logical reasoning, and creative thinking...
Buy at Amazon.com  |  read more >
GAMES Magazine - April, 2012
 
Strimko in GAMES (V)
In the April 2012 issue, GAMES Magazine publishes another portion of our Strimko puzzles, see the Pencilwise section, pages 50-51. It comprises fourteen varied Strimko challenges in different difficulty levels, and in sizes 4 x 4 to 7 x 7. You'll enjoy them...
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Puzzle Quizzes for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Puzzle Quizzes for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
Discover a new type of puzzles - Puzzle Quizzes. Solve 300 original, hand-crafted puzzles with an intuitive touch-and-answer gameplay. Challenges are created in dozens of varied and appealing themes and difficulty levels so that to satisfy all puzzle lovers -- beginners, experienced, and masters alike...
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LetsTans for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
LetsTans for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
LetsTans is a new visual puzzle developed for the iPhone/iPod touch and iPad. With over 1500 original challenges presented in ten distinctive play modes, it delivers a totally new puzzle experience of the captivating Tangram's spirit and energy. Neat graphics, sounds, and animations, and an advanced Hints system guarantee you hours of pleasant and smart enjoyment...
LetsTans.com  |  read more >
iCut for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
iCut for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
iCut is a brand-new visual puzzle developed for the iPhone/iPod touch. The object is to cut different shapes into congruent parts by painting them into different colors. The parts must be identical in size and shape, and may be rotated and/or reflected. Sounds easy? iCut proposes you over 1000 different challenges in six distinctive modes. Challenges are ranged from the easiest to the extremely hard, so let's give'em a try!...
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Tappi Adventures for the iPhone/iPod touch by The Grabarchuk Family and Mehmet Murat Sevim
 
Tappi Adventures for the iPhone/iPod touch
by The Grabarchuk Family and Mehmet Murat Sevim
Welcome to Tappi's adventures! He's taken pictures from all of them, but accidentally all those pictures have been broken :( Help Tappi restore the proper picture of each adventure, and you'll see what cities he's visited, what modern World Wonders he's seen, what sports are played around the globe, and much more! You are welcome to explore Tappi's adventures in 12 different themes containing 12 different adventures of 3 different difficulty levels each...
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Dicey Multiplication by Werner Miller
 
Dicey Multiplication
by Werner Miller
Here is a novel version of traditional play with numbers. The challenge is to arrange "standard" dice into a pyramidal multiplication with their top faces read out the factors of the multiplication and the front faces read out the correct product...
go to puzzle >
Coin Triangle by Serhiy Grabarchuk
 
Coin Triangle
by Serhiy Grabarchuk
Nine coins form a triangle on the table. The challenge is to change the triangle into another shape, moving the minimum of the coins. What is the best result you can reach?...
Puzzles.COM  |  go to puzzle >
Hexaframes by Serhiy Grabarchuk, Jr.
 
Hexaframes
by Serhiy Grabarchuk, Jr.
Four equal regular hexagons are transparent with a thin outline, and they can form different patterns when overlapped. The challenge is to form the maximal number of additional regular hexagons. What can be your best result?..
UniPuzzle.com  |  go to puzzle >
The Marbles & Rows Puzzle by Serhiy Grabarchuk
 
The Marbles & Rows Puzzle
by Serhiy Grabarchuk
Put nine square tiles with color marbles into a 3 x 3 square so that to get nine horizontal and nine vertical rows of marbles containing exactly four marbles of four different colors each. Distances between the marbles and their order in the rows do not matter...
Puzzles.COM  |  go to puzzle >
Easy Flat Color Cube by Peter Grabarchuk
 
Easy Flat Color Cube
by Peter Grabarchuk
Eight flat tiles with images of 3D colored unit cubes can be assembled so that they form a flat shape looking like a 2x2x2 cube. Two different challenges are proposed to baffle you with this seemingly simple assembling puzzle...
play >
Two Dots by Serhiy Grabarchuk
 
Two Dots
by Serhiy Grabarchuk
Seven tiles of this new sliding block puzzle are made as stylized letters and are placed within a 2 x 4 tray so that they spell: TWO DOTS. Your holiday challenge is to slide the tiles within the tray so that to swap the Blue and Orange Dots and still have the tiles spelling TWO DOTS. How many moves will you need to accomplish the puzzle?...
play >
Four Color Rings by Peter Grabarchuk
 
Four Color Rings
by Peter Grabarchuk
Segments of four color Rings are gliding within each of eight square tiles which can slide within a 3 x 3 tray. The initial position of the tiles features the complete Yellow Ring. Choose a color and slide tiles until a complete Ring of that color is formed. There are three plus one challenge for which you will need to be fully concentrated. But don't forget to have a break after each challenge...
play >
Strimko™ for the iPhone/iPod touch by Quokka Studios Pty Ltd and The Grabarchuk Family
 
Strimko for the iPhone/iPod touch
by Quokka Studios Pty Ltd and The Grabarchuk Family
STRIMKO™, the popular web-based logical puzzle game, comes to the iPhone/iPod touch. The Strimko app presents 120 never before published, hand-crafted puzzles in four difficulty levels--Easy, Medium, Hard, and Master. Puzzles are in four sizes, 4 x 4 through 7 x 7. An intelligent hinting system can help you, when you get stuck. Additional puzzle packs available...
Strimko.com/iPhone  |  read more >
Strimko™ for PC/Mac by Braintonic Inc. and The Grabarchuk Family
 
Strimko for PC/Mac
by Braintonik Inc. and The Grabarchuk Family
Now STRIMKO™, the popular web-based logical puzzle game, comes as a PC/Mac game. It presents two distinctive play modes. In the Adventure mode, help Luana save her planet by collecting celestial Amulets and reassembling her magical Astrolabe. In the Classic mode, you can enjoy playing more than 200 hand-crafted, mind bending, Strimko puzzles. Each play mode comprises four different types of Strimko challenges--Zen, Pave, Fit, and Tri--all in various sizes and difficulty levels. In the Adventure mode you can additionally play ten mini-games what will make your adventure even more pleasant!...
Strimko.com/PC-Mac  |  read more >
Brain Games Books and Puzzles
Brain Games Books and Puzzles
Publication International Ltd. was founded in 1967 and is located in Lincolnwood, IL. Their popular Brain Games book series was developed to help men, women, and children of all ages improve their memory, sharpen their cognitive skills, and heighten their puzzle prowess. Scientific research shows that exercising your brain can make it function better, keeping your mind healthy and fit at any age. Hence their motto: Lower Your Brain Age in Minutes a Day!
Aha!: Aha! Insight and Aha! Gotcha by Martin Gardner
Aha!: Aha! Insight and Aha! Gotcha by Martin Gardner.
Aha!: Aha! Insight and Aha! Gotcha
by Martin Gardners
Among many dozens of brilliant and extremely popular books by Martin Gardner, the two "Aha!" collections are quite outstanding, as they are devoted entirely to "non-standard" challenges, or challenges with "Aha!" effect. These are challenges which seem to be difficult of even impossible to solve, but have simple and clear (and often surprising) answers and solutions...
Buy at Amazon.com  |  read more >
Martin Gardner's Mathematical Games (CD-ROM) by Martin Gardner
Martin Gardner's Mathematical Games (CD-ROM) by Martin Gardner.
Martin Gardner's Mathematical Games: The Entire Collection of His Scientific American Columns (CD-ROM)
by Martin Gardners
This CD is quite remarkable in many respects, and one of them is that nowadays it is the most compact (in every senses) compendium in the field of the recreational mathematics. Even more than that, it is the entire collection of Martin Gardner's Mathematical Games columns run in Scientific American from 1957 to 1982...
Buy at Amazon.com  |  read more >
The 15 Puzzle Book by Jerry Slocum and Dic Sonneveld
The 15 Puzzle Book by Jerry Slocum and Dic Sonneveld.
The 15 Puzzle Book
by Jerry Slocum and Dic Sonneveld
The true history of The 15 Puzzle is revealed in this book. The authors give a comprehensive picture of how this puzzle became popular, driving the whole World crazy, and show "...how America's greatest puzzle designer, Sam Loyd, fooled everyone for 115 years."...
Buy at Amazon.com  |  read more >
Puzzlers' Tribute: A Feast for the Mind published by A K Peters, Ltd.
Puzzlers' Tribute published by A K Peters, Ltd.
Puzzlers' Tribute: A Feast for the Mind
published by A K Peters, Ltd.
This second tribute collection to Martin Gardner is based on the three successive Gatherings for Gardner (G4G2-G4G4) held in Atlanta in 1995, 1998, and 2000, respectively. Three main elements of each Gathering for Gardner -- Math, Puzzles, and Magic -- are fully presented in this colorful compendium created by the outstanding gathering of authors...
Buy at Amazon.com  |  read more >
Puzzles 101: A Puzzlemaster's Challenge by Nob Yoshigahara
Puzzles 101: A Puzzlemaster's Challenge by Nob Yoshigahara.
 
Puzzles 101: A Puzzlemaster's Challenge
by Nob Yoshigahara
A Japanese puzzle creator extraordinaire, Nobuyuki Yoshigahara, has published over 70 puzzle books in Japan, and created a huge variety of puzzles manufactured and sold all over the World. This tiny but quite powerful puzzle collection is the only Nob's puzzle book translated in English and published outside Japan. It proposes a well balanced blend of advanced and simple puzzles--manipulative, math, visual, and of some other types...
Buy at Amazon.com  |  read more >
Nuevos Solitarios Clasicos by Rodolfo Kurchan and Jaime Poniachik
Nuevos Solitarios Clasicos by Rodolfo Kurchan and Jaime Poniachik.
 
Nuevos Solitarios Clasicos
(New Classic Solitaires)
by Rodolfo Kurchan and Jaime Poniachik
This book is devoted entirely to puzzles with pieces moved and jumped on special grids. These puzzles are known as solitaire or counter puzzles. The book brings several new types of such puzzles and presents 108 modern puzzle creations which will provide you with a clever entertainment, and can give you a solid mental gymnastics...
Buy at Amazon.com  |  read more >
The Jerry Slocum Mechanical Puzzle Collection (Online)
The Jerry Slocum Mechanical Puzzle Collection (Online)
This online, easy searchable collection presents puzzles gathered for many decades by the World's most renowned puzzle collector and author, Jerry Slocum. His current collection counts 30,000 puzzles and 4,000 puzzle-related books, and reflects, literally, all the long and bright history of the Mechanical Puzzle phenomenon. Also, about 400 puzzles are on display in the Slocum Puzzle Room at the Indiana University Lilly Library.
Will Shortz
NPR Logo
Sunday Puzzle Logo
Our Puzzle on NPR
Each week, New York Times crossword puzzle editor and NPR's Puzzlemaster Will Shortz presents an on-air challenge to one contestant and gives a challenge for Weekend Edition Sunday listeners at home. For the next week's challenge one of our recent puzzles has been chosen. Listeners who submit the correct answer to the NPR win a chance to play the on-air puzzle and test their wits with Will Shortz...
Kadon Enterprises, Inc.
Kadon Enterprises, Inc.
If you like high-quality, award-winning polyform and edgematching puzzles, and unusual games, this website is the best place to visit. This company, founded by Kate Jones, is a pioneer in laser-cutting of different acrylic and wooden puzzle sets. At their website you'll find an online gallery of over two hundred games and puzzles to see and purchase. Also, they propose many interactive playable features.
Terry Stickels Logo
TerryStickels.com
Everybody, who has ever solved Terry Stickels' extremely popular Frame Games or Stikelers, will always remember their perfect taste and fun, and definitely will want see more and more of them. At his personal website you can find and solve dozens of these wonderful mind exercises, and learn more about Terry Stickels, his clever and fun books, and admirable achievements.
Greg Frederickson's Website
Greg Frederickson's Website
Professor of Computer Sciences Greg Frederickson is the World's leading authority in an old theme of mathematics -- geometric dissections. His website is fully devoted to this kind of puzzles, and describes many old and modern achievements in this field including different theories, interesting facts, and historical background, as well as Greg's unique books on the subject.
Aha! Puzzles
Aha! Puzzles
Lloyd King's website proposes a lot of interesting things which can help you to learn how to "think outside the box." Lloyd is the author of several outstanding books on the matter, and walking through his website you will find many impressive things leading you into the wonderful Aha! Puzzles World, and bringing to you many pleasant "Aha" moments.
Kohfuh's Lab
Kohfuh's Lab
Kohfuh Satoh's website contains an incredible collection of his own clever puzzles of different types, great articles on different puzzle topics, perfect book reviews, and selected puzzle links. The motto of Kohfuh's Lab is: "Puzzle, one of the most enjoyable things on earth!" I quite agree with this.
The VIN&CO Website
The VIN&CO Website
Wooden puzzles which are thoroughly designed and crafted by Václav Obšívač are so perfect that they can be described as a Harmony in Wood. Just browse through all of his puzzle creations (more than 170 at the moment!) and you will hear that Harmony.
Click Mazes - Interactive Puzzles and Mazes
Click Mazes - Interactive Puzzles and Mazes
Click Mazes - Interactive Puzzles and Mazes
Andrea Gilbert's website with a wonderful collection of unique interactive puzzles and mazes, and a few other things besides. All you will need to find you way through is your mouse. Just make the very FIRST click...
British Origami Society
The British Origami Society
It is one of the most remarkable group devoted to Origami, an ancient art of paper-folding. More than 700 faithful Origami lovers all over the World are members of this group. Their achievements are published in a bi-monthly magazine. The 40th Anniversary of the founding of the British Origami Society will be held in Cambridge, September 6-9, 2007.
Featured Collections
Interactive Puzzles
Square & Division by Serhiy Grabarchuk Eight Puzzle by Peter Grabarchuk Serpentine Lines by Serhiy Grabarchuk Untouchable 11 by Peter Grabarchuk The Tangramboard Plus by Serhiy Grabarchuk The Checkered TOY by Serhiy Grabarchuk
Two Dots by Serhiy Grabarchuk Bumping Squares by Serhiy and Peter Grabarchuk Return to the Future by Serhiy Grabarchuk Double Play by Larry D. Nichols Eights Knights in the Seven by Serhiy Grabarchuk NEWS Guide by Serhiy Grabarchuk, Jr.
more interactive puzzles >
Puzzles with Simple Objects
The MG Coin Puzzle by Serhiy Grabarchuk Double-Bubble by Peter and Serhiy Grabarchuk 3 Xmas Trees by Peter Grabarchuk The Bat by Serhiy Jr. & Peter Grabarchuk Nob's Origami Sheets Puzzle Arthur Stone's Flexatube by Serhiy Grabarchuk
Origami & Geometric Puzzles
Puzzles with Checkered Origami Patterns by Serhiy Grabarchuk Toy Strip Origami by Peter Grabarchuk Cut the Q by Peter Grabarchuk The Tangramboard by Serhiy Grabarchuk Untouchable 11 by Peter Grabarchuk Arco-Triangles by Serhiy Grabarchuk
Sudoku Puzzles
Constellation Sudoku by Henry Kwok DualDoku by Peter Grabarchuk Jigsaw-Roundoku by Serhiy Grabarchuk Squared Outline Sudoku by Henry Kwok Quadruple Clue Sudoku by Henry Kwok Dice Sudoku by Peter Grabarchuk
more Sudoku puzzles >
Puzzle Mix
Parted Cube by Peter Grabarchuk Twins by Serhiy Grabarchuk Parted Square by Peter Grabarchuk Double-Cube Snakes by Peter Grabarchuk Wire Pyramid by Peter Grabarchuk Beads Duo by Peter Grabarchuk
Puzzle Publications
The Holey Square Family by Serhiy Grabarchuk Seven Puzzles for G4G7 by Serhiy Grabarchuk Puzzle Classics at G4G7 by Serhiy Grabarchuk Two Oval Stools to a Table by Serhiy Grabarchuk How to Outwit the Parity by Serhiy Grabarchuk Loyd, Dudeney and... Galactic Takeover by Serhiy Grabarchuk
more puzzle publications >
Puzzle Books
Tribute to a Mathemagician published by A K Peters, Ltd.
Buy at Amazon.com
The Colossal Book of Mathematics by Martin Gardner
Buy at Amazon.com
The Tangram Book by Jerry Slocum at al.
Buy at Amazon.com
Seven: The Number for Happiness, Love, and Success by Jacqueline Leo
Buy at Amazon.com
Piano-Hinged Dissections: Time to Fold! by Greg Frederickson
Buy at Amazon.com
The Amazing Book of Mazes by Adrian Fisher
Buy at Amazon.com
more puzzle books >
Previous Features
Puzzle Links
Jerry Slocum Puzzles Old and New Theseus and the Minotaur by Robert Abbott SmartKit - Brain Gym & Puzzle Playground The Sam Loyd Company Cut-The-Knot -- Interactive Mathematics Miscellany and Puzzles Rob's Puzzle Page
Piet Hein Thorleif's SOMA Page Archimedes' Laboratory The Puzzle Museum Nick Baxter Sliding Block Puzzle Page MathPuzzle.com
more puzzle links >
 
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Last Updated: March 5, 2018
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Latest Additions & Features
Puzzles
• The Christmas Tree •
• Seven Puzzles for G4G7 •
• Puzzle Classics at G4G7 •
• The Mirage Puzzle •
• The Tangramion •
• Hearts & Diamonds •
• DoubLetters: Perception •
• Mosaic Eggs •
• The Spiral Galaxy Mystery •
• Dicey Multiplication •
• Coin Triangle •
• Hexaframes •
• The Marbles & Rows Puzzle •
• Easy Flat Color Cube •
• Two Dots •
• Four Color Rings •
Projects
• The Mirage Puzzle •
• Sliding Tiles for the iPhone/iPod touch and iPad •
• Fish Crackers for the iPhone/iPod touch and iPad •
• Puzzle Quizzes for the iPhone/iPod touch and iPad •
• LetsTans for the iPhone/iPod touch and iPad •
• iCut for the iPhone/iPod touch and iPad •
• Tappi Adventures for the iPhone/iPod touch •
• Strimko for the iPhone/iPod touch •
• Strimko for PC/Mac •
Collections
• The Christmas Quilt •
Books
• Ernest Irving Freese's Geometric Transformations •
• 303 Three-Minute Puzzles •
• Puzzlebook: 100 Matchstick Puzzles •
• Puzzlebook: 103 Puzzle Quizzes •
• The Big, Big, Big Book of Brainteasers •
• Aha!: Aha! Insight and Aha! Gotcha •
• Martin Gardner's Mathematical Games: The Entire Collection of His Scientific American Columns (CD-ROM) •
• The 15 Puzzle Book •
• Puzzlers' Tribute: A Feast for the Mind •
• Puzzles 101: A Puzzlemaster's Challenge •
• Nuevos Solitarios Clasicos (New Classic Solitaires) •
Publications
• Puzzle Quizzes •
News
• Puzzle Quizzes •
Links
• Celebration of Mind V •
• Brain Games Books and Puzzles •
• The Jerry Slocum Mechanical Puzzle Collection (Online) •
• Our Puzzle on NPR •
• Kadon Enterprises, Inc. •
• TerryStickels.com •
• Greg Frederickson's Website •
• Aha! Puzzles •
• Kohfuh's Lab •
• The VIN&CO Website •
• Click Mazes - Interactive Puzzles and Mazes •
• The British Origami Society •
Events
• Celebration of Mind VI •
Masters
• Donald E. Knuth •
• Harry L. Nelson •
Featured Projects
Strimko™ for the iPhone/iPod touch by Quokka Studios Pty Ltd and The Grabarchuk Family
Strimko™ for the iPhone/iPod touch
by Quokka Studios Pty Ltd and The Grabarchuk Family
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Go to Strimko.com/iPhone
LetsTans for the iPhone/iPod touch by The Grabarchuk Family and Mehmet Murat Sevim
LetsTans for the iPhone/iPod touch
by The Grabarchuk Family and Mehmet Murat Sevim
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Go to LetsTans.com
Strimko™ for PC/Mac by Braintonic Inc. and The Grabarchuk Family
Strimko™ for PC/Mac
by Braintonik Inc. and The Grabarchuk Family
-----
Go to Strimko.com/PC-Mac
Strimko by The Grabarchuk Family
Strimko
by The Grabarchuk Family
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Go to Strimko.com
Featured Books
Modern Classic Puzzles (Mensa) by Peter Grabarchuk
Modern Classic Puzzles (Mensa) book by Peter Grabarchuk.
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Buy at Amazon.com
The Simple Book of Not-So-Simple Puzzles by Serhiy Grabarchuk, Peter Grabarchuk, and Serhiy Grabarchuk, Jr.
The Simple Book of Not-So-Simple Puzzles
by Serhiy Grabarchuk, Peter Grabarchuk, and Serhiy Grabarchuk Jr.
-----
Buy at Amazon.com
The New Puzzle Classics: Ingenious Twists on Timeless Favorites (Mensa) by Serhiy Grabarchuk
The New Puzzle Classics book by Serhiy Grabarchuk.
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Buy at Amazon.com
Featured Puzzles
Cast Coaster by Serhiy Grabarchuk
Cast Coaster
by Serhiy Grabarchuk.
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Learn more about
Cast Coaster at a great blog PuzzleMad by Kevin Sadler.
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Manufactured by
Hanayama Toys Co., Ltd.
in their
Cast Puzzle Series
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Available at
Amazon.com (here and here)
and
Amazon.co.jp (here)
and
Torito Puzzle Shop (here)
and
Puzzle Master (here)
Puzzle Impossible by Serhiy Grabarchuk Jr.
Puzzle Impossible by Serhiy Grabarchuk Jr.
Puzzle Impossible
by Serhiy Grabarchuk Jr.
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Manufactured by
Hanayama Toys Co., Ltd.
in their
Puzzle Library Series
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Available at
Torito Puzzle Shop (here)
and
Amazon.co.jp (here)
Fish Crackers by Serhiy and Peter Grabarchuk
Fish Crackers
by Serhiy and Peter Grabarchuk.
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Published by
Gakken Co. Ltd.
in their Embrain Series.
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Manufactured by
Chronos Co., Ltd.
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Available at
Shop.Gakken (here)
and
Amazon.co.jp (here)
Octa: Half & Half by Serhiy Grabarchuk
Octa: Half & Half
by Serhiy Grabarchuk.
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Manufactured by George Miller of
PuzzlePalace.com.
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Hole In One Brainteaser Puzzle by Peter and Serhiy Grabarchuk
Hole in One Brainteaser Puzzle
by Peter and Serhiy Grabarchuk.
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Available at
Bits & Pieces (here)
Featured Websites
Puzzles.COM - the world's best resource for puzzling on the Internet
Puzzles.COM --
the world's best resource for puzzling on the Internet.
GrabarchukPuzzles.com by The Grabarchuk Family
GrabarchukPuzzles.COM --
a website reflecting all puzzle achievements of
The Grabarchuk Family.
UniPuzzle.com by Serhiy Grabarchuk, Jr.
UniPuzzle.com --
new, high-level puzzles to solve week-by-week.
Peter Grabarchuk. Puzzle Designer.
PeterPuzzle.com --
a personal website of a puzzle designer Peter Grabarchuk.
Featured Magazine
GAMES® Magazine
GAMES® Magazine Online --
a huge variety of games, brainteasers, quizzes, contests, and reviews.
Featured Makers
Hanayama Toys Co., Ltd.
Hanayama Toys Co., Ltd. --
board games, toys, and puzzles for people of all ages.
Chronos Co., Ltd.
Chronos Co., Ltd. --
original puzzles, games, and novelties.
Featured Publishers
A K Peters, Ltd.
A K Peters, Ltd. --
Publishers of Science and Technology.
Gakken Co., Ltd.
Gakken Co., Ltd. --
World's leading publishers in Education.
 
Serhiy Grabarchuk Puzzles