Delight your senses with our light up butterfly that plays 18 different familiar tunes. This toy has been adapted to accept a standard 3.5mm switch, sold separately. Press and release your switch (or the button on the toy itself) to see dancing lights and hear delightful music! Each time you press and release your switch, the music changes to the next tune. Great for auditory awareness and visual tracking. 5¼"L x 4½"W x 2"H Uses 2 AA batteries, not included. Works both with and without an external switch.