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Puzzles and
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Since 1997

    
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 small square Puzzles, Tests, Math games, Brain-teasers, Tangram-like manipulatives, Mental tricks...
 small square Books & Products by Archimedes' Lab 

Libro FantaLogica
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FantaLogica
A resource of puzzle activities for running recreational math workshops (in Italian).
Paperback,
216 pages.
FantaLogica
Per giocare o per elaborare divertentissimi laboratori di logica e matematica ricreativa!
This book features all kinds of fascinating optical illusions throughout history
Curiopticals
A beautiful book filled with puzzle/illusion hybrids
Puzzillusions
What are you looking at?
What are you looking at
Eye tricks
Eye Tricks
How to Make your own 3D illusion
Make your own 3D Illusions
Big Book of Optical Illusions
Big Book of Optical Illusions
Fantastic Optical Illusions
Fantastic Optical Illusions
Puzzle Shop
online puzzle shop
 small square Archimedes' Lab keyword cloud tags 
Introduzione Magic experiments Do-it-yourself puzzle Fantastic Optical Illusions Perpetual calendar Knight's tour Vanish puzzle Prime finder About Math and Puzzles Weekly optical illusion features Puzzle Shop Fraction patterns Nine Dot problem Friends Numberopedia Puzzle activities & workshops Sponsor Curiopticals Laboratori Sitemap Cards Books Mastermind Workshops Pencil games What are you looking at TangraMagic Ostomachion FantaLogica Sudoku-like puzzles Illusions & Paradoxes Puzzle content for publishers Oddities & Curiosities Droodles Fibonacci numbers Create your own puzzle Best Teacher Monthly Puzzle Archimedes' Journal Latin wordplays Our Philosophy & Goals Alcuin's puzzles Tangram Puzzillusions Weekly features About us Five Room House Double-W puzzle Etymology of the word puzzle Abracada-brain Einführung Rules to Puzzle Solving Life Game Contact Mind & Brain
 
Introduzione italiano Introduction francais Einführung deutsch  
Puzzles: rompicapo (It), casse-tête (Fr), rompecabezas (Sp), Denk- und Knobelspiele (Ger), quebra-cabeça (Por), breinbrekers (Du), hlavolamy (Cz), головоломки (Ru), חידה (He), σπαζοκεφαλιά (Gr), 智力游戏 (Ch), パズル (Jap).
 

Train your brain with clever puzzles!
  We believe that you came to this braintainment site because you love doing puzzles and brain teasers and that you enjoy wrestling with logic and geometry problems. You lucky folks, research says it's good for you; brain games and mental activities keep your brain young and active. Think about it: even though the brain comprises only about 2% of the total body weight, it receives 15-20% of the body's blood and oxygen supply. And that means a lot!

   arrow A word on Math & Perception puzzles
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triangle Monthly Puzzle
Solve it & win a prize
Rompicapo del Mese
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Casse-tête du mois
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Build your own puzzle and try hundreds of activities
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small tangramagicTangraMagic: the new Tangram puzzle with a touch of magic that will surprise your intellect and challenge your creativity! small eggMost wanted puzzle solutions: Nine Dot problem, Five Room House brainteaser, Double-W puzzle.
small pencilWork out our latest intriguing Pencil games of the month  Knight tourChallenge new Knight's tour puzzles & graphs
abracadrain puzzlesResolve our Abracada-brain twisters (En, It, Fr, Es) pix gamesWeekly 'paint by number' and Sudoku-like puzzles

 
Visitor favorites

trick to performPerform online Magic experiments FibonacciInvestigate the Fibonacci numbers on your PC
tangram puzzleFace original mind challenges of the Tangram puzzle ostomachionDiscover Latin wordplays or the Ostomachion
Paradoxical trianglesFigure out how the magic Vanish puzzle works free puzzle sampleDownload our free Do-it-yourself puzzle (PDF)
 
Browse our top puzzle resources
arrow Boost your imagination by solving Droodles arrow Work out the Alcuin's puzzles in the original Latin!
arrow Check any prime number with our Prime finder arrow Simulate artificial life with Life Game cellular automaton
arrow Find the day for any date with the Perpetual calendar arrow Wonder exactly what the etymology of 'Puzzle' is?
arrow Play Mastermind game online and break the hidden code arrow Explore some curious Fraction patterns

Did you know?
Content for Publishers

idea pencilWe provide the media, publishers and syndication agencies with engaging puzzle content integrating science & visual perception for recreational, educational or communication purpose.

Workshops & Exhibitions

workshop image "How to focus attention? Encourage creative exploration?" Multicultural interactive puzzle activities & workshops for museums and institutions.

Puzzle & Book Store

shop image Purchase online geometric and mechanical puzzles, books that enhance creativity and puzzle solving skills, math and optical illusion cards or Archimedes' Lab journal. All proceeds from our shop help fund our website.

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You know a person by his friends... So, we are pleased to introduce to you some of our Friends and folks we think more people should know about! You too can be our friend by contributing to our online community. We are always looking for volunteers to help enhance our webpages.

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Our high-content site is divided into 4 major categories: Puzzles & Tests, Illusions & Paradoxes, Mind & Brain, Oddities & Curiosities. Feel free to visit the site map to view site offerings on one page. We have opted for a low-tech site, using standard tables and some javascript to keep our site accessible to all.

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To see what’s new on the site check our online Newsletter or join our Fan club on Facebook to get up-to-date information about our new features, upcoming puzzle events, or latest educational releases and offers. Moreover, you can also exchange ideas and suggestions with other puzzle fans!
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Puzzles & mental activities that enhance critical and creative thinking skills

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