pentomino puzzle, which can fill boxes of 2×3×10, 2×5×6 and 3×4×5 units. The Bedlam cube is a 4×4×4 sided cube puzzle consisting of twelve pentacubes and one tetracube. The Diabolical cube is a puzzle of six polycubes that can be assembled together to form a single 3×3×3 cube. Eye Level also makes use of the Thinking Cube (once students are in levels 30-32 of Basic Thinking Math or levels 29-32 of Critical Thinking Math), as one of its manipulatives, similar to the Soma cube. See also Tangram Tetromino Tromino Snake cube References External links http://www.mathematik.uni-bielefeld.de/~sillke/POLYCUBE/SOMA/cube-secrets Soma Cube – from MathWorld Thorleif's SOMA page SOMA CUBE ANIMATION by TwoDoorsOpen and Friends Mechanical puzzle cubes Tiling puzzles Recreational mathematics