【STRONG AND STURDY&LONGER LIFE 】-- (1)ABS material，Made safe, third-party lab tested, BPA free and non-toxic,Stick-less smooth surface; (2)Small card corner design, anti-POP ability outstanding, stable and not scattered, it is difficult to remove; (3)The speed cubes has passed the US safety certification 【FINE MOTOR SKILLS AND SPEED】-- (1) Cross shaft design, freely adjustable, smooth feel; ( 2 )Anti-adhesive groove, smoother and more durable, no longer have to worry about the feeling of the cube after playing for a while; ( 3) High quality and Superb rotation, good fault-tolerant performance, includes English instruction manual, Suitable for beginner and professional 【PERFECT SPECIFICATIONS】-- (1 ) 56mm*56mm, mainstream game size, suitable for WCA major competitions; (2) Light to 80g, light hand, suitable for children, even if you practice for a long time, you will not feel tired; (3) Color upgrade, enhance the recognition, which is conducive to rapid restoration;(4)Package Includes - 3 x 3 speed cube, cube stand and cube tutorial 【BENEFITS OF SOLVING A BRAIN PUZZLE CUBE 】-- （1）Improve your concentrations（2）Improve the hand-eye combination（3）Improve the spatial thinking increase IQ level（4）Improve overall cognitive skills（5）Keep the mind sharp in old age 【THE PERFECT GIFT】 - Whether it is design or use, the feel is very good smooth and smooth, large angle cut corner, high fault tolerance Is a great cube. Your child will definitely like! This is a classic educational toy that will never be outdated. It is suitable for children, adults, and seniors. Hurry up to have it and let your big family have a fun and exciting speed cube game