.Made of high quality ABS, is smooth to use. .Unique centre park section processing can increase stability of cube, reduce the crash while rotating to lower the rate of getting stuck. .Smaller centre park size brings you more lightsome sense, has smaller resistance. .Adopt piano wire spring to improve the strength and tenacity, can keep good elasticity under long time extrusion. .Try your best to finish it and complete it, to practice your brain and improve your memory. .Rotate the magic cube with your friends and enjoy the happiness. .No need to paste the stickers by yourself and just enjoy it.