Item Type: Yoyo Material: Alloy Size: Approx. 5.3 x 5.3 x 4.1cm / 2.1 x 2.1 x 1.6in Suitable Age: 14 above years old Package List 1 x Yoyo 1 x Gloves 1 x Plastic Box 1 x Chinese and English Manual 1 x Replace Bearing 2 x Gasket 3 x Yoyo Strings 1Exercise Hands on Ability: This yoyo ball can well cultivate children hands on ability, make them good at thinking about problems, and cultivate their ability during play. 2Stay Stable: Yoyo ball with premium performance, U shaped unresponsive bearings ensure stability and balance and high speed rotational movement. 3Competitive Experience: Yo yo is not only very interesting, but also brings a different competitive experience to children and stimulates children fighting spirit. 4Colorfast: The black surface is treated with double color anodizing, which not only looks more textured, but also makes the surface never fade and not easy to scratch. 5Durable: Our aluminum yoyo ball is made of high quality alloy material, the ball is not easy to be damaged when used, and the quality is guaranteed.