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Puzzles and
Mental Activities
Since 1997

    
Puzzles &
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 small square Puzzles, Tests, Math games, Brain-teasers, Tangram-like manipulatives, Mental tricks...
Books From Archimedes' Lab
How to Make your own 3D illusion
Make your own 3D O.I., ISBN 1844426327
Eye tricks
Eye Tricks, ISBN 1844427773
A beautiful book filled with puzzle/illusion hybrids
Puzzillusions, ISBN 1844420647
Big Book of Optical Illusions
Big Book of Optical Illusions, ISBN 0764135201
Fantastic Optical Illusions
Fantastic Optical Illusions, ISBN 184442295X
New Optical Illusions
New Optical Illusions, ISBN 1844423271
MateMagica book
MateMagica, ISBN 8889197560
Almanach book
L'Almanach du mathématicien en herbe, ISBN 2844690254

Puzzle Shop
online puzzle shop
 
 
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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!

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Rompicapo del Mese
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Casse-tête du mois francais
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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?
idea pencilWe provide the media, publishers and syndication agencies with puzzle contents integrating science & visual perception for recreational, educational or communication purpose.

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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
Archimedes' Lab, P.O. Box 1700, 16121 Genova Centro,
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