Colorful stickers surface, Eco-friendly ABS material, no-toxic and no-harm, molecular structure stability, impact resistance, no deterioration in performance due to long-term use., High quality and Superb rotation, good fault-tolerant performance, including English instruction manual., The magic speed cube can foster your kid's sense of space and enhance a child's memory. Playing this in your spare time can release the working pressure of the adults, meanwhile helping prevent memory loss in the elderly., Edges are contoured and the center piece is a circle which makes it far easier and quicker to turn.,