Formula&reg; Yuxin Zhisheng Kylin 5x5x5 Speed Magic Cube Puzzle 6.3cm - Black .Brand new and high quality Yuxin Zhisheng Kylin 5x5x5 Stickerless Speed Magic Cube Puzzle 6.3cm .All new structure. Superb performance ,great corner cuttings. .It features a robust anti-pop mechanism and rounded pieces for excellent corner cutting performance .Yuxin Kylin cube is designed both for beginners and professional speed cubers