Specifications: ❉Cube Size: 56 x 56 x 56mm/ 2.2 x 2.2 x 2.2inches ❉Weight: About 85g/ 3ounces ❉Material: ABS material Th cube is a newly designed product aimed at the blind and colour-blind.Protruding dots can help users quickly identify them.Of course, we will continue to design different series of speed cube, looking forward to your valuable advice! Solving puzzles is important activities to teach users to work hard at solving complex problems and foster users sense of space and enhance a users memory. With this worldwide popularity game, you will find that it is an irreplaceable game that can get users brain and hands both busy with constant intellectual stimulation. Ultimate gift for friends, family members, provides hours of enjoyable game play; perfect for releasing the living and working pressure, exercising your brain, enjoying the relaxed fun. Comfortably fits in your pocket, so you can get it out and keep the fun going. You can enjoy them while you pass time on a lazy afternoon.