Your child will love this Fisher-Price Elephant Piano! It includes 32 keys, 8 musical instruments, 8 rhythms, 4 drum sounds, 4 animal sounds and 20 demo melodies. There are many functions including a demo select/demo all, tempo up/down, play, record and stop functions. There is also volume up/down, and a try-me function to let the kids free play. It is designed for ages 2 years and up and is powered by 3 AA batteries (included).