SOMA cubes
The Soma Cube, assembled from the seven simplest irregular combinations of cubes, was invented by Piet Hein, popularized by Martin Gardner, and commercially produced by Parker Brothers, Inc.
Natural Soma Cube - Crafted in the USASoma Cube 3d - 2 1/3"Soma Cube
Natural Soma Cube - Crafted in the USA
$8.80
Soma Cube 3d - 2 1/3"
$8.95
Soma Cube
$8.50
Origami, Eleusis, and the Soma Cube: Martin Gardner's Mathematical Diversions (The New Martin Gardner Mathematical Library)ThinkFun Block By Block
Origami, Eleusis, and the Soma Cube: Martin...
by Martin Gardner
$46.71
ThinkFun Block By Block
$13.76