CuberSpeed FangShi LimCube 2x2 Ghost Cube Black with Red Sticker Made of durable and environmentally friendly ABS plastic material,easy to take, rotate more smoothly Ghost cube Puzzle improves kid's cognitive and problem-solving abilities, if you have solve the 2x2 Cube and looking for something more difficult,this is your best choice The carbon fiber sticker actually provide a decent amount of grip. Solid sticker will not peel off easily. Great corner cutting ,Tension adjustable.It doesn't corner twist as often nor does it lock up.Difficult to pop,good control of the cube, comes pre-lubricated and tensioned.Definitely a good choice for you Adopt new mechanism that results in a more smooth, faster and more durable ghost cube, rotate the magic cube and try your best to complete it.