Quadruple 2x2 Cube The cube puzzle has fascinated people for years. Here's a new twist on this puzzle. Adding an extra 3 cubes onto the 2x2 cube makes it even more of a challenge. Object: Mix up and put back to start Difficulty: Level 9 Dimensions: 4 1/8 in x 1 1/2 in x 1 1/2 in / 10.5 cm x 4 cm x 4 cm