Rubik's Cube: The World's Best-Selling Toy
Invented in 1974 by Hungarian sculptor and professor Erno Rubik, the Rubik's Cube is now said to be the world's best-selling toy. More than 300 million of these colorful, square puzzles have been sold worldwide. The standard Rubik's Cube has 54 square facesâ€”nine on each sideâ€”covered by stickers in six solid colors. When the puzzle is solved, each side of the cube is a single solid color. What is the current world record for solving a Rubik's Cube?