Environmental Protection Materialspeed cube is Made with green eco-friendly,reliable, and non-toxic materials, and made of durable and enviornmently ABS plastic toy. And this Magic Cube is designed for an exclusive, super-comfy satisfying use. A careful overall construction ensures you will use this cube for a long time to come. Easy and Smooth TurningSuperior corner cutting,tension adjustable,excellent stability,Came pre-lubricated and tensioned.It is compact, easy to carry, can be played anytime and anywhere, and has good quality, fast speed, no jamming, sensitive hand feeling, wear resistance and smooth turning for speedcubing. Multi-faced DevelopmentThis brain teaser toy teenage stocking fillers can foster your kids sense of space,the sense of color, and enhance a childs memory, to release the working pressure of the adults and kill time on the waiting, to help prevent a decline in memory of the elderly. This classic puzzle game will never go out of style and keep your kids off TV / Ipad. Perfect Gift Idea Educational toy gift christmas stocking fillers for kids, boys, girls, friends, family members during Birthday, Christmas, Thanksgiving Day, Halloween, New Years Day, provides hours of enjoyable game experience; perfect for reducing stress, exercising your brain, improving memory and practicing hands-on dexterity skills.