the speed cube is not just a kind of puzzle but also training aids, and sporting goods Revolutionary Tile-Plugin Design The cube uses high-quality Tile-Plugin design With ultra-strong conjunction structure It¡¯s impact resistance£¬anti-crack, endurable All tiles are made with standard speeducbe color They are made precisely and strong They won¡¯t lose color after very long time of usage No need to change stickers any more Top level dull-polishing craft, making all surfaces smooth Resulting the skin-touch like handfeels The cube is anti-scratch You don¡¯t need a cube-protect bag any more