Dayan Zhanchi Speed Magic Cube Zhanchi 5v 3x3x3 Puzzle Cube (Black) 2.New structure design for extremely fast and smooth cornering. This new design is drop-resistant and water-resistant 3.Eco-friendly, recyclable material product, harmless to human and environment 4.Designed for speed solving 5.Prefect Gift for Children and Freunds. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!