Yo-yo toy for kids. Fine workmanship, , smooth surface and small size, attractive to kids. Smooth surface to the kids' skin, lovely pattern. Great gifts for kids. The yo-yo balls are creative toys, that help your children with yo-yo balls well, and exercise their wrist strength. Features -Color:Assorted Color -Material:Alloy -Size:6.00X6.00X2.50cm/2.36X2.36X0.98in -The yoyo string ball is made by alloy materials, and the product is and durable for children. -The yo-yos is very suitable to help your children recognize yo-yo and exercise their wrist strength. -Adorable design will arouse your kids interest in it and won't put it down for a while. With steel metal shaft, can achieve smooth performance and fast rotation. This is a fixed shaft that cannot be unscrewed. -Yoyo toy is smooth to use and do not hurt kid's fingers and promote its hands-on ability. -Exercising kids' hand-eye coordination ability, response capability, physical coordination etc. Package list: 9 x yoyo balls