Professional Magic Yoyo T8 Aluminum Alloy Metal Yoyo 8 Ball KK Bearing with String for Kids Gold The magic yoyo is not only for daily entertainment, but also for acrobatic performance with most entertaining fancy. Smooth silicon recycle system and adjustable gap system can satisfy different players. This magic yoyo is the best for primary and intermediate players. Also, it makes a great gift for your kids, friends, families. Features: The magic yoyo can cultivate the imagination, creativity, rapid reactionability, motor skills and eye-hand coordination. Adopt CNC lathe to precision processing, the increased density delivers greater momentum and increased challenge.  8 ball KK bearing, the magic yoyo will keep balance when in rotation, and it runs in a fast speed. Anodize surface, the laser engraving technology is used in design the trademark and the surface color uses anodize technique, which makes it has fresh color and good stereoscopic effects. It won't lose color when knocked against.  Specifications: Material: Aluminum Pattern: Butterfly Color: Gold, Lake Blue(optional) Age: 8 + Diameter: 56.5 mm Width: 35.7 mm Gap Width: 4.52 mm Bearing: Concave bearing  Bearing Size: 6.35 mm * 12.7 mm * 4.76 mm(C) Axle: M4 * 10 mm String Trick: 4A String Length: 110 cm / 43.31 in Package Size: 9 * 4.5 * 6.2 cm / 3.5 * 1.8 * 2.4 Package Weight: 85 g / 3 oz Package List:  1 * T8 Magic Yoyo 1 * String