Our Baby Einstein Musical switch adapted toy engages users with colorful lights that dance across the screen to the beat of each song. This fun toy has 7 high quality classical melodies by Mozart, Vivaldi, Chopin, and Rossini that are played each time the switch is pressed and released. Switch adapted to accept any standard switch with an 1/8" plug (switch sold seperately). Made of durable plastic. The fun, crisp sounds and dancing lights promote visual attention, teach cause and effect learning and serve as a great stimuli for individuals with visual impairments such as CVI. Has volume control and a handle for easy carrying. Size is approximately 5"L x 5"W x 1 1/4"H. Requires 2 AA batteries, not included.