Very well designed: Design with spring, can be adjusted, one can adjust the hardness of each face, according to his playing preferences to make it more or less smooth just by lifting the caps and turning the screw.Construction solid designed, diced speed.Excellent grip,ideal size,lightweight,doable with one hand. New generation of magic cube:Improved anti-pop technology and structure, no sharp edges< /p> Good value for money: Top quality product, individually wrapped, inexpensive item, Convenient to carry. It is a gift: These speed cubes are perfect for a heist family head..In addition, it can make a good original birthday present for both a girl and a man! Fast and worry-free delivery: FBA Logistics, Perfect fast delivery. A shopping experience.