KickFire Diabolos (Blue) Professional fixed-axle (NOT BALL BEARING) diabolo: Perform tricks, throws, catches, cradles and more Nova Kit includes 10.1 oz., 6 x 5 diabolo w/ 13.625 padded carbon sticks and 60 nylon string FREE Guide includes 4 Ty the Diabolo Guy instructional videos to help you become a pro Lightweight and sturdy: Wont tire out arms or make shoulders sore, even if a young child AMAZON CUSTOMERS SAY: This is the Lamborghini of Diabolos! Best fixed diabolo hands down!