Function: 1 . High Performance: Premium non-responsive yo-yo features powerful spin, excellent stability and excellent string performance, suitable for children to play. 2 . Ability development: playing yo-yo can exercise people's physical coordination ability, cultivate children's perseverance and patience, and improve communication skills. 3. Stylish design: smooth sandblasted surface, no fading, not easy to scratch. Unique yo-yo design, bright color, overall looks exquisite and beautiful. 4 . Great Gift: With improved weight distribution, easy to control and play. A perfect and meaningful gift for your children, friends, colleagues, etc. for birthdays and holidays. 5 . Aluminum alloy material: The Yoyo ball adopts superior aluminum alloy material, shockproof and impact resistant, anti-rust and strong, stable and sturdy, durable to use. Specification: Item Type: Yoyo Material: aluminum alloy Size: Approx. 5.5 x 5.5 x 4 cm or 2.2 x 2.2 x 1.6 inch How to use: Install the rope to use Package List : 1 x yo-yo 3 x string 1 x glove 1 x Manual