Rubik's cube

From The D Archives

Rubik's Cube is a mechanical puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Ernő Rubik. Common misspellings include rubix cube and rubics cube. This plastic cube comes in four widely available versions: the 2×2×2 ("Pocket Cube"), the 3×3×3 standard cube, the 4×4×4 ("Rubik's Revenge"), and the 5×5×5 ("Professor's Cube").