The Roll & Explore Symphony Ball lets baby compose, discover, and listen to fun melodies and more!With three modes of play, this musical ball provides a symphony of instruments, animal sounds, and melodies baby can discover while playing. In music mode, baby rolls the ball to hear 12 classical melodies. Songs speed up or slow down according to how fast the ball rolls. When in composer mode, musical instruments can be added or removed with the touch of a button to create babys own unique tunes. Discovery mode helps baby recognize animal sounds and hear early language skills in English, French or Spanish. The symphony ball will also delight baby when the dancing lights and additional instrument sounds are activated. Ideal for together-time with baby! Requires 3 AA batteries, included.