The Soma cube is a solid dissection puzzle invented by Piet Hein in 1933.

Seven pieces made out of unit cubes must be assembled into a 3×3×3 cube.

The pieces of the Soma cube consist of all possible combinations of three or four unit cubes.

Plastic Soma cube sets were also commercially produced by Parker Brothers in several colors (blue, red, and orange) during the 1970s. The package for the Parker Brothers version claimed there were 1,105,920 possible solutions. This figure includes rotations and reflections of each solution as well as rotations of the individual pieces.

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