This 2 Instruments in One, Touch Sensitive two octave Playmat has 8 different musical instrument sounds, 5 drum kit instruments, 4 built in drum kit patterns, 10 built in melodies with adjustable volume and you may plug in your external music device and play your favorite tunes. Powered by 4 AA batteries, (not included). Not recommended for children under 3. Promises Lots of Kids' fun!