This Responsive Yoyo is a yo-yo specially designed forbeginners.It is super easy to string, use, and adjust. This highquality yoyo glides smoothly and not easy to tangles up. lfyou are fascinated by it, you can own one and have a try, youwill surely can do many tricks. Color mixing sending Specifications: Material :Aluminum Alloy Color: As the picture show Weight: 71 g Age: 8 + Diameter: 55 mm Width: 36 mm Bearing: 8 ball KK bearing Bearing Size: Size C String Trick: 1A,3A,5A String Length: 113 cm / 44.5 in Package List: 1*Magic Yoy