I-xun&reg; Pack of 3 Speed Stickerless Magic cube 2x2x2 3x3x3 4x4x4 Puzzle (Transparent) Transparent smooth YongJun cubes of 2x2 3x3 4x4. New structure design for extremely fast and smooth cornering. Smooth turning and cornering, highly recommended cube set. High performance designs with good value, Make the latest experience to the player.