Speedcubing are also different shapes of the famous puzzles, including Pyraminx, Megaminx, Skewb, and Square-1. The Rubik's Cube was invented in 1974 by Hungarian professor of architecture, Ernő Rubik. A widespread international interest in the cube began in 1980, which soon developed into a global craze. On June 5, 1982, the first world championship was held in Budapest, Hungary. 19 people competed in the event and the American Minh Thai won with a single solve time of 22.95 seconds. Other notable attendees include Jessica Fridrich and Lars Petrus, two people who would later be influential in the development of solving methods
Rush Hour (puzzle) Rush Hour (puzzle) Rush Hour is a sliding block puzzle invented by Nob Yoshigahara in the 1970s. It was first sold in the United States in 1996. It is now being manufactured by ThinkFun (formerly Binary Arts). ThinkFun now sells "Rush Hour" spin-offs "Rush Hour Jr.", "Safari Rush Hour", "Railroad Rush Hour", "Rush Hour Brain Fitness" and "Rush Hour Shift", with puzzles by Scott Kim. The Regular Edition comes with 40 puzzles in 1 split up into 4 different difficulties, ranging from Beginner to Expert. The Deluxe Edition has a black playing board, card box in place of the board's