This 's cube is made of ABS material(Non-toxic， tasteless， safe and environmentally friendly， harmless). In a classic 's Cube， each of the six faces is covered by nine stickers， each of one of six solid colours (traditionally white， red， blue， orange， green， and yellow， where white is opposite yellow， blue is opposite green， and orange is opposite red， and the red， white and blue are arranged in that order in a clockwise arrangement). An internal pivot mechanism enables each face to turn independently， thus mixing up the colours. For the puzzle to be solved， each face must be returned to consisting of one colour. Similar puzzles have now been produced with various numbers of sides， dimensions， and stickers， not all of them by . Features: ABS material(Non-toxic， tasteless， safe and environmentally friendly， harmless， for kids use) It is a traditional educational toy for kids and adults For kids， it can develop their brain and logic thinking ability For adults， it can release their pressure after work It can change various appearances with vivid mobility nodes Small dynamic and static friction coefficient ensures safe and smooth rotation The interface is smooth and each corner has a chamfer Good abrasion resistance and texture in hand It is popular in coffee shops， waiting rooms and other places Fluent rotation and full of funSpecifications: Brand: Guishou? Model: TND-1005 Cube Type: 3-layer Surface Module Shape: Square Surface Shape: Square Material: ABS Dimensions: ( 2.24 x 2.24 x 2.24 )" / ( 5.7 x 5.7 x 5.7 )cm (L x W x H) Weight: 3.67 oz / 104 g Recommended Age Range: Age 8 up Gender: Boys & Girls Product Weight: 83g / 2.92oz Package Weight: 92.5g / 3.26oz Package: 1 x Magic Cube Puzzle Toy 1 x User ManualWarningChoking Hazard - small parts not for children under 3 years.