Features:1. Adopting reliable plastic， it is non-toxic and lightweight2. It is a traditional educational toy for kids and adults3. For kids， it can develop their brain and logic thinking ability4. For adults， it can release their pressure after work 5. It can change various appearances with vivid mobility nodes 6. Small dynamic and static friction coefficient ensures safe and smooth rotation7. The interface is smooth and each corner has a chamfer8. Good abrasion resistance and texture in hand9. It is popular in coffee shops， waiting rooms and other places10. Fluent rotation and full of fun11. Fit for speed competition Specifications:1. Cube Type: 5-layer2. Surface Module Shape: Square3. Surface Shape: Square4. Material: Plastic5. Color: White6. Dimensions: ( 2.44 x 2.44 x 2.44 )" / ( 6.2 x 6.2 x 6.2 )cm (L x W x H)7. Weight: 6.49 oz / 184 g Package Includes:1 x Magic Cube Puzzle Toy1 x Manual