Rubik's 4x4 CubeAre you a Rubik's master? If you've done the original Cube, it's time to step up. This 4x4 puzzle is made up of 56 small Cubes, but the center pieces move in relation to each other, making it even more difficult. Packaging may vary Smoother Than Ever: The new Rubiks Master is the smoothest model yet. A slightly smaller version, designed to twist & turn with ease, you'll be mastering this 4x4 faster than ever before Must Have For Puzzle Lovers: The
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