Toy Cubby 2 in 1 Electric Piano and Drum with Sticks Combination Musical Play Mat Set 1 Set, 2 in 1 Electric Piano and Drum with Sticks Combination Musical Play Mat. Contains 34 x 27 x 0.3 inches Musical Play Mat with 2 drumsticks and AUX wire. Play Mat requires 4 AA batteries (not included). Featuring 24-Key keyboard with 8 different keyboard instruments, 10 built-in keyboard melodies and 5 drum set sound with 4 built-in drum melodies. Designed with built-in recording device for playback all your kids masterpiece, adjustable volume and you can plug your own device for more fun Portable and easy to operate, just place it on large flat surface like your living room, table, play room and tap the keys to generate sounds.