For all aged - 3x3x3 GoldMirror Cube is a shape mod that creates different shapes from ordinary 3x3 cubes. It is an extra challenging because as when it is scrambled it changes shape. Turn and twist the sides of the cube so that you return it back to its original cube-like shape. Try a bigger challenge! Enjoy hours of fun with you family and friends.Excellent stability - It doesn't corner twist as often nor does it lock up. Difficult to pop, good control of the cube. Definitely a good choice for you to improve personal record in competitions. This cube can be used for international competitions. If you want to break the records, get yourself one !