Feature* 1.This product is suitable for people over the age of 8， children use it under guardianship.* 2.Using aerospace aluminum alloy material， it is of high hardness， impact resistance， and durability.* 3.Adopt CNC high-precision CNC lathes， anodizing surface treatment， laser engraving and other specialized processing techniques* 4.With wide shaft hign speed KK bearings， it can fulfill different playing types.* 5.Nylon line， racing used string， is of good toughness， with elastic， and it is not easy to raise resilient or broken.* 6.Butterfly shape sphere design， large ball on the line， so that it is easy to be handled and it has good stable and idling performances. * 7. Aprons use most strength recycling material， super wear-resistant， high-strength and environemntal protection.* 8. Using alloy axis， two-way connection with the center， easy to remove and install， which can minimize wear and tear caused to thread.Brand: Magic yoyo Model: N11 Colour: RedControl Mode: drive-by-wire With Electric: No Multifunction: NoAir inflation: No Suitable Age: above 8 up Package Type: Color BoxedDiameter: Width: Package List: Yo Yo Ball*1， Yo Yo String *1Notices* 1.When in a narrow space， or indoor playing， if someone nearby， please be careful. * 2.Don't do brutal game or throw and waving to people please! * 3. Do not close to face or hair While YoYo is spining， in order to avoid unnecessary accidents. * 4. If found the rope is fluff or harden， please change. Package List* Yo Yo Ball*1， Yo Yo String *1