Rubik’s Edge Puzzle, Original Rubik’s Product, Toy for Kids Ages 6 and Up

The 3x3x1 Cube is a simple one-layer Cube designed to train you up so that you can take on more complex cubes with ease.Enjoy the art of problem-solving everywhere, at home or on the go. This may be the easiest Cube yet, but its still not a Cube to take lightly.