Double Head Design for Enhanced Fun: This diabolo toy features a double head design that is for beginners and seniors, making it easier to learn and enjoy the art of diabolo play. Triple Bearing System for Stability: Equipped with a triple bearing system, this diabolo offers increased stability and improved performance. It is an ideal choice for students looking to enhance their skills in coordination and focus. Design:Chinese Diabolo helps improve concentration and coordination skills while providing an engaging way to practice these essential abilities. Versatile Use Across Various Settings: Suitable for use at home, school, or in parks, this diabolo is for everyone looking to enjoy some outdoor or indoor fun Mateial: Made of TPU material,diabolo ball toydrop resistant ensure durability during play. Size Chart:15.5cmx13.5cm/6.10inchx5.31inch Stick:34cm/13.39inch Package Includes: 1 Diabolo 1 String 2 Diabolo Sticks 1 Storage Bag 1 Instruction Manual Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.