Alloy Professional Responsive Yo-Yos Yoyo Balls

Made of high quality alloy. Inner slot, retainer cage, out slot design - make the yoyo has high performance, unresponsive professional bearing for 1A / 3A / 5A tricks. It can cultivate imagination, creativity, and rapid reaction ability. Train fine motor skills and eye-hand coordination. For unresponsive yoyo, it helps longer yoyo tricks and allows you to play more complicated and exciting tricks than a responsive yoyo. A Recommended birthday, Christmas gift for 8+ years old boys / girls / adult