SOLMORE Jumping Joggle Bopper Light Up Bouncing Vibrating Sound Sensitive Ball Colorful dance ball / flash music ball /Jumping Ball Operation of power: 4 AA batteries (not including) Can bring fun to your baby, your baby must be like it. Toy can give each family to bring laughter and joy! 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. On the ball have colorful tentacles (rubber material).