Magic YOYO N12 Alloy Aluminum Metal Professional Yo-yos Toy Yo Yo Ball with 1 Gloves And 5 Strings (Blue-White) Made from high grade Anodized Aluminum. It can satisfy different players. It is best for intermediate and advanced users Style:String Trick (1A, 3A, 5A) Bearing Size (mm):12.70*6.30*4.72 For Age:Age 8 up