Environmental Material - Our materials are international security and environmental protection materials recognized at international level and have obtained CE certificate. Surface with bright colors, environmental protection material ABS, functional, resistant, safe and non-toxic polymer, able to avoid the deterioration of the performance caused by the deformation of wear for a long time. Attractive Appearance - Unlike other Speed Cubes, has 12 different colored surfaces. Each surface is composed of 11 small pieces, Dodecahedron cube with multiple surface. When the color arrangement is a messy sequence, you return to the condition or original shape, as in a magic show. Unique Structure - The surface of the central block and the edge has anti-adherence locking grooves, which can effectively reduce resistance effectively and help improve the smoothness of the Megaminx cube. At the same time, blocking the edges and blocking the edges and the central part has an extra large rounded corner so that they can be perfectly cut and twisted. Not Just A Toy - Can favor the sense of your child's space and improve a child's memory, to free the work pressure of adults, to help prevent a decline of the memory of the elderly. This classic puzzle will never go to style and will keep your children away from the TV / iPad. Perfect Gift - Excellent cutting capacity of the corners, excellent rotation performance, good performance tolerant performances, each block of borders has a super-tolerance to breakdowns and rounded corners, so fast or slow does not cause bounce. Suitable for children, friends and family as Christmas / birthday gifts. It is suitable for beginners, intermediate and advanced and can be used for personal promotion and competition.