Before long, speed cube amateurs are placing orders for 4x4s, 7x7s, Pyraminx puzzles and more. The craze began with the invention of the Rubik’s Cube back in 1974. Created by Hungarian design ...

Categories include the standard Rubik's Cube, as well as other sizes from 2x2, up to 7x7. There are also “twisty puzzles” challenges, such as the Pyraminx, Megaminx, Clock, Skewb, and Square-1.