Black 2x2 Cube, full size 50x50x50 mm classic color great puzzle cube for your cubes collection Smooth To Trun, easy turning and smoothly play, suitable for the beginner and professional player Safe Material, made of eco-friendly ABS material, it is harmless to human body and environment Brain Teasers, perfect for testing your mental skills and challenging your patience, activating the imagination and creativity Perfect Gift, popular gift for Christmas, Birthday, Thanksgiving, Halloween, Children's Day and have fun with your kids and enjoy family time.