I-xun Set of 6-pack 3x3x3 Classical Speed Puzzle Magic Cubes Stickerless True Color Speed Cube Pack Package include 6 pieces 3x3x3 stickerless true color cubes. For kids, it can develop their brain and logic thinking ability. For adults, it can release their pressure after work. New structure design is drop-resistant and water-resistant. Eco-friendly, recyclable material product, harmless to human and environment.