It makes beautiful music, but when batteries are inserted and the switch is on, nothing happens. It's not corrosion. See photos. Great collector item. Message me with questions Please thoroughly inspect your order upon arrival. If any item is not as represented please contact us ASAP to facilitate a return or an otherwise acceptable resolution to your satisfaction. If a new item is returned used, we will charge a restocking fee. Items sold for parts will not be accepted for return. We do appreciate your business and strive to make your experience as positive as it can be.