The Gear-cube is a brand new concept in cube design and has the following inventive steps. Using a full gear mechanism that requires twelve 90° turns to complete one rotation but having said this it is still slightly easier then the Rubik’s cube.Object: Mix up the cube and put it back to the start.Difficulty: Level 8 - DemandingDimensions: 2 1/3 in x 2 1/3 in x 2 1/3 / 6 cm x 6 cm x 6 cm