Chinese Tangram Puzzle:An Old Way to Keep Your Brain Active(タングラム:脳トレ パズル)

Tangram is a mathematical puzzle game that spread from ancient China to Europe, where it became extremely popular with the European gentry. It’s easy to play: simply fit all seven pieces into the puzzle. There are a total of 31 different puzzles, and more than 100 correct answers. The free version offers three puzzles.
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Click here for the free version!