About this projectIts corner pieces are concave to increase the grip of its surface. Its vibrant color is easy to identify and never fades.CHALLENGE AND FUN - This is a classic color matching puzzle, the color changes make it look like a mess, but once you solve it, it magically turns into a perfect pentagonal dodecahedron cube again. Improved blast technology and construction for extremely fast and smooth turns, more durable designUnique Design - Looks great and everyone will love how it looks. Made of original environmentally friendly ABS material, non-toxic, harmless to human body and environmentHappy Hour - This cube develops your child's sense of space and enhances your child's memory. Settled when both sides play. Suitable for beginners and professional players. Definitely a good choice for you to improve your personal record in the competition. Enjoy hours of fun with family and friendsThe Ultimate Gift Idea - No one will fall in love with cubes. The perfect Christmas/birthday gift for kids. This classic puzzle game will never go out of style.