ENTRY LEVEL YOYO - D1 is the best entry-level yoyo, style string trick 2A. RESPONSIVE YOYO - D1 equipped with Size E bearing, while the yoyo is , it come back to your hand with a gently tug on string. D1 - Responsive Yoyo D1 for beginners, kids, or adults, and responsive yoyo is very fun for all ages. BEST GIFT FOR KIDS - Beginners responsive yoyo can enhance finger flexibility and brain reaction capacity, improve eye-hand coordination. Small yoyo, very easy to come back. Ball diameter: 57.2mm Material:plastic colour:blue Package Contents: 2 x ball 2 x gloves 2 x velvet bag 10 x rope (Random color, don't accept the specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.