The 3x3x1 Edge is a simple one-layer puzzle designed to train you up so that you can take on more complex Cubes with ease. The 3x3x1 Edge is a single layer puzzle for beginners. It has nine white and yellow stickers on the top and bottom as well as three green, orange, blue and red stickers on the sides. With only 192 permutations, this puzzle game is one of the easiest Cubes to solve within the Rubik's collection. It is an ideal introduction to the world of Rubik's brain teaser puzzle toys.