"High-quality materials: The space ball is made of lightweight and elastic PU material, which will not harm children or pets. In addition, it is not easy to deform, so you can enjoy the fun of playing for a long time. The outer design of the space ball toy has small holes and is made of highly elastic PU material, which is resistant to deformation, high-quality material and very durable.Luminous Moon Ball: Contains three button batteries, the batteries are disposable and non-removable, but can be used for 2-3 months (depending on the frequency of use), not lit when idle, and will glow when playing.""Bang"" sound effect: When it hits the ground, this moon ball will make its unique ""bang"" sound and jump higher on any hard surface, making you addicted and having fun. The shape of the moon gives it enough room to rotate, it will burst when it falls to the ground, and the moon foam is the most elastic material on earth! It's fun to bounce on any hard surface.Easy to grab and catch: Easily improve your hand-eye coordination with this easy-to-grab and catch bouncy ball. Whether you are a sports enthusiast or just want to improve your motor skills, this sensory ball will be your perfect training partner to help you improve your precision, agility and coordination.IMPROVE YOUR DEXCIENCE: Bouncy balls in different colors and patterns. With the Space Balls, you can improve your reflexes and coordination in a fun and relaxing way. The Space Balls are also suitable for pets, so you can play with your furry friends and make them more agile and flexible." Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.