1、Complex Tricks: Nonresponsive Yoyo with U shaped bearing, you will need to learn binding skills for more complex yoyo tricks, suitable for advanced players. 2、Replace Bearing: With responsive bearings can be replaced, so that the rotating Yoyo ball can be pulled back automatically, suitable for beginners, children and adults. 3、Prevent Stuck: The professional Yoyo also has amazing rotating power, so you don't have to worry about getting stuck while changing patterns with the strings. 4、Widely Use: Yoyo ball toy is a good gift for your kids, suitable for beginner to advanced yoyo players, which can be used for daily practice or competition use. 5、Excellent Alloy: Unresponsive Yoyo ball is made of high quality alloy material, shock resistant and has no impact on the rotation of the ball when properly shaken. Item Type: Yoyo Ball Material: Alloy Size: Approx. 5.1 x 5.1 x 4.3cm / 2.01 x 2.01 x 1.69in Appropriate Age: Over 14 Years Old 1 x Yoyo Ball 1 x Gloves 1 x Plastic Box 1 x Chinese English Instruction 1 x Replace Bearing 2 x Gasket 3 x Strings