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It was Erno Rubik
The Rubik's cube
The 4x4 rubik's cube or the Rubik's Revenge
Because it's a cube and it was created by Erno Rubik.
The Rubik's Cube was invented by a Hungarian named Ernő Rubik in 1974. It's originally name was the Magic Cube but changed to the Rubik's Cube in 1980.