Description: Quality Material: The Boys Toy Yo Yo is made from quality alloy material, ensuring its durability and stability for long lasting use.Colorful Design: This yo yo features a colorful design that is sure to gain children's attention and add fun to their game time.Classic Yo Yo Design: With its classic design, smooth surface, and seamless rotation, this toy is suitable for both beginners and experienced players.Ideal for Boys: Specifically designed as a boys toy with a stylish and simple appearance that aligns with boys aesthetic preferences. Promotes Hand Eye Coordination: Playing with this yo yo could help improve children's hand flexibility and reaction ability as it requires good hand eye coordination. Size Chart: Diameter: 55.2mm/2.17inch Width: 42mm/1.65inchShaft width: 4.59mm/0.18inch Package Includes: 1yoyo Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.