Can you beat the World's Oldest Puzzle?
Based on Archimedes' own design this tangram has over 500 solutions, can you find them all?
Plus 12 more shape building challenges that will make you shout Eureka after you figure them out.
Ages: 7+
$27.95
Only 2 left in stock
Based on Archimedes' own design this tangram has over 500 solutions, can you find them all?
Plus 12 more shape building challenges that will make you shout Eureka after you figure them out.
Ages: 7+
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