Rubik's Cube
Rubik's cube: Although the cube had been invented as early as 1975 by Ernö Rubik, cube fever spread only in 1980 to last until 1983. The Rubik cube, was one of the biggest selling puzzles of the twentieth century.
Rubik's cube: Although the cube had been invented as early as 1975 by Ernö Rubik, cube fever spread only in 1980 to last until 1983. The Rubik cube, was one of the biggest selling puzzles of the twentieth century.
