2 pcs Lovely Led Dance Ball Flashing Jumping Music Colorful Bounce Bouncing Toy Electric Produces music; Mulit-color availabe We will ship out best mixed colors to you. four AA batteries is NOT included Best gift for bady and chidren. For baby and children learn to walk, they can walk follow the ball Chidren would love it very much. It is Activity with Motor Skill It BOUNCE, VIBRATE, MUSIC, FLASHING COLOR & Wiggle With On Off Button This multi-sensory ball "Not just a ball" is waiting for you to explore