Environmental Protection Material- 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. our materials are internationally recognized safety and environmental protection materials, and has got CE certificate, Please feel free to buy. For All Ages- Roxenda Speed Cube Bundle (2x2x2, 3x3x3, Pyramid, Megaminx cube) -matching puzzle. High quality and Superb rotation, good fault-tolerant performance, includes English instruction manual. Multi-Faceted Development- The magic speed cube can foster your kid's sense of space and enhance a child's memory; Play this in your spare time can release the working pressure of the adults, meanwhile helps prevent memory loss in the elderly. This speed cube game will never go out of style and keep your kids off TV / Ipad. Unique Features - Superior corner cutting, tension adjustable. Difficult to pop, good control of the cube, excellent stability. Edges are contoured and the center piece is a circle which makes it far easier and quicker to turn. PREFECT GIFT - Whenever and wherever you are, you can try to stretch your brain capacity or spend some leisure time with your loved ones.This classic puzzle game will never go out of style. Ultimate Christmas/Birthday gift for kids, friends, family members.