This fun switch adapted piano features lights and fun music that includes animal sounds. It has been switch adapted to accept a standard 1/8" (3.5mm) switch, sold separately. But it can also be played with by able-bodied peers by pressing the buttons and keys. Press and release your switch to start a song. Automatically goes off after a few minutes without any interaction from the user. Great for visual and auditory stimulation, but also teaches more advanced cause-effect and encourages movement. Has 2 volumes and requires 3 AA batteries, included. Measures 10.5” long x 2.5” wide x 7.5” high, weighs .9 lb. Ages 12+ months.