Features: 1.Stimulates nose and mind 2. Prevents boredom and loneliness when you're away 3. Prevents unwanted destructive behaviour due to boredom or anxiousness 4.Helps aide growth and development 5.Installed four AA batteries on the toy, press the switch (in the ball waist button), the ball will be issued good music and gorgeous lighting, and dancing, similar to the rotation. 6.On the ball have colorful tentacles (rubber material). 7.Can bring fun to your baby, your baby must be like it. 8.Toy can give each family to bring laughter and joy Description: 1.Material: Plastic + Rubber 2.Size: Ball diameter at its widest point: about 13cm 3.Operation of power: 4 AA batteries(not including) Package list： 1Pc x Jumping Ball Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow 1-2CM differs due to manual measurement. Thank you for your understanding, nice day!