This vintage Casio Casiotone PT-87 Mini Keyboard comes with a ROM Pack RO-551 and has been tested. The ROM doesnt appear to work, but the drums and keyboard sounds do. The keyboard is designed by Casio, a renowned brand in the music industry, and is perfect for musicians who love vintage pianos and keyboards. This electronic keyboard is ideal for those who are looking for a portable and lightweight instrument. Whether you are a musician or just a music enthusiast, this Casio vintage Casiotone PT-87 Mini Keyboard is a must-have. Buyer pays shipping.