4×4 Speed Cube, 4×4 Cube Puzzle Black

About this item Classic 4×4 black cube is lightweight, reliable and comfortable Smooth and fast, its quality is sturdy and durable, ensuring the smooth rotation Original and eco-friendly ABS material, smooth rotation and harmless to human and environment Perfect gift for all festivals, School party, Birthday day, Christmas & New Year Children’s day, Thanksgiving Day Great Performance for Brain Teasers-Improve your concentrations, hand-eye combination, the spatial thinking, overall cognitive skills