Erno Rubik patented this intriguing, colorful, cubic puzzle in 1974. Rubik was a lecturer in interior design and taught architecture in Budapest, Hungary, with a "passionate interest" in geometry. Site includes a history of the cube, cube facts (there are 43,252,003,274,489,856,000 possible combinations), a FAQ, information on getting your cube repaired, links, etc. Lost your cube? You can play online.