Style:String Trick (1A, 3A, 5A) Made of top-quality 6061 aluminium, finishing Durable recovery system and long idling time, Designed to train fine motor skills and eye-hand coordination A Recommended birthday, Christmas gift for 8+ years old kids, , families. Include 5 yoyo replacement strings and 1 yoyo glove for either hand. Colour:blue Material:Aluminum alloy Size:Diameter 55mm Package Contents: 1 x ball 1 x glove 1 x velvet bag 5 x rope (random colors, 't accept the specified color) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.