Enough to share with family and friends, and participate in responsive ball games. Color Reaction Ball: Cool reaction ball adopts charming and novel mixed colors, which are not easy to fade, and can provide dazzling and eye-catching sensory effects when rotating, which can attract people's attention. Solid Material: The reaction ball is made of alloy and equipped with fine craftsmanship. The size is about 5.6 x 3.6 cm. It is solid, lightweight, and portable, not easy to break, and durable. You can play with it. Suitable for Beginners: The reaction ball is suitable for most people, it can automatically return to your hands, beginners can learn easily; for experienced players, it is also a healthy and active game. Hand Flexibility: These colorful metal reaction balls combine play and imaginative thinking to help you improve your practical skills, from mobile phones to Material: Alloy Color: Multicolor Package Contents: 5 x Yo-yo Balls 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 to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.