I-xun Set Cyclone Boys 2x2x2 3x3x3 4x4x4 5x5x5 Stickerless Magic Cubes Puzzle True Color Speed Cube Pack Set of 4 pieces, 2x2x2 3x3x3 4x4x4 5x5x5 is stickerless cube Best for speed stack and magic cube speed cuber Material:ABS plastic New structure design is drop-resistant and water-resistant Eco-friendly, recyclable material product, harmless to human and environment