FOR ALL AGES - The Mirror Cube 3x3x3 is a shape modification that creates different shapes from ordinary 3x3 cubes. It's extra challenging because it changes shape when it's scrambled. Twist and turn the cube's sides to restore it to its original cube shape. Try an even bigger challenge! Enjoy hours of fun with your family and friends. EXCELLENT STABILITY - It doesn't twist corners or lock up as often. Difficult to pop, with great control over the cube. Definitely a great choice for improving your personal best in competitions. This cube can be used for international competitions. If you want to break records, get one! ERGONOMIC DESIGN - Stylish appearance; everyone will love how it looks. The sticker actually provides a decent amount of grip. The solid sticker doesn't come off easily. Made of original and eco-friendly ABS material, non-toxic, harmless to humans and the environment. CHALLENGING & FUN - It's a shape modification where the pieces change shape, making it look like a mess, but once you solve it, it magically becomes cube-shaped again. Improved anti-pop technology and structure for extremely fast and smooth cornering. With a lot of practice, you can solve it in under 30 seconds!