1. With a shape of football. When you throw the ball on the ground, it will vibrate and give colourful lights. 2. Suitable for you and your children's leisure activities, etc. It can promote emotional communication between family members. 3. The baby calls the partner to play together and the partner to work together and cultivate team spirit. 4. The appearance is beautiful and generous. It can be cleaned, and can be used for decoration when the child is not playing. There are small bumps on the . It can be massaged anytime, anywhere in the hand. It is suitable for all ages! 5. The product with excellent craftsmanship and unique design, easy and convenient to use. Material: plastic Diameter: M: about 6.5cm, L: about 7.5cm packing list: 5 x Jumping Balls Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.