Features: 【Solar system ball toys】: nine planetary ball toys in the universe, for Mercury, for Venus, Earth, for Mars, Jupiter, for Saturn, Uranus, Moon, Neptune, very interesting stress balls can help children relax. 【Environmental for protection and safety】: The planetary ball is made of high-quality materials, filled with sponges, beautiful colors, environmentally friendly and non-toxic, very suitable for children and adults. 【Easy to carry】: The planetary ball is small in size, light in weight, easy to carry to children, and can also improve children's color recognition ability and imagination. 【Multiple shapes】: 9 innovative planet shapes are also educational tools for children. 【Ideal gift】: very interesting birthday and holiday gifts for children's toys, children will love. Specifications: Color:Colorful Material:Pu/polyurethane Diameter:6.3cm/2.48in Package Includes: 9 PCS x Bouncy Ball note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!