Spaceballs 1. The outer design of the bounce ball with small holes, highly elastic PU material, with deformation resistance, quality materials, very durable. 2. The shape of the moon ball gives it plenty of room to rotate and bursts when it hits the ground, and light moon foam is the most elastic material on earth. 3. The moon ball is not only fun, but also improves hand-eye coordination and is used by professional athletes as a training ball. 4. Bouncing ball suitable for children and adults as birthday gifts, Christmas gifts and a good choice to relieve your stress, interactive toy for beach, outdoor activities, water feature too. Specifications: Material:High density PU material Colour: red, yellow, blue. Size: diameter 66 mm. The product contains: 4 x jump balls. Note: 1. Manual measurement, the size has a slight error of 2-3 cm. 2. Due to the different display, colour differences may occur. 3. Safety warning: not suitable for children under 3 years. Use under adult supervision.