tangram

game

Also known as: Archimedes’ Box, loculus of Archimedes, stomachion(Show More)

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July 16, 2026

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Tangram puzzle A traditional Chinese puzzle made of different wooden shapes to build abstract figures

A tangram is a Chinese puzzle consisting of a square cut into seven pieces: five triangles, one square, and one rhomboid. These pieces can be rearranged to form various figures. Tangrams are a type of tiling puzzle, where shapes are assembled into a larger shape without overlaps.12

Puzzles, in general, are problems solved through knowledge, ingenuity, or skill, requiring logical thinking to reach a correct answer. They have a long history, appearing in various forms throughout different cultures and time periods, serving as both pastimes and tools for mental activity.2

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puzzle
A history of puzzles
The Stomachion puzzle, also called Archimedes’ Box, was a dissection puzzle with a square divided into 14 pieces. It challenged readers to make as many different arrangements as possible. Thanks to computational geometry, it is now known that there are 17,152 solutions. Archimedes’ Box is considered…
Read More
The Stomachion puzzle, also called Archimedes’ Box, was a dissection puzzle with a square divided into 14 pieces. It challenged readers to make as many different arrangements as possible. Thanks to computational geometry, it is now known that there are 17,152 solutions. Archimedes’ Box is considered…
Read More