Invented in 1974 by ERNO RUBIK from Budapest, Hungary Solving Rubiks cube has been of the greatest puzzle involving significant concentration, mind and body coordination, sharpness and quick reflex. Solving a puzzle stimulates your brain, enhances your thinking and analytical power, helps you improve your concentration and focus. Rubiks Cube is the best-selling puzzle in history and continues to challenge folks. Solve this ultimate brain teaser by rotating the puzzle so each side has one color.