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
Altekruse Puzzle three brothers to escape being drafted into the German army. The Altekruse puzzle has an unusual mechanical action in the first step of disassembly by which two halves move in opposition to each other, unlike the more familiar burr types that have a key piece or pieces. Depending on how it is assembled, this action can take place along one, two, or all three axes independently but not simultaneously." Altekruse Puzzle Altekruse Puzzle is a puzzle invented by Austrian inventor William Altekruse. The puzzle was first released in 1890 and has proved to be very popular ever since. The Universal