Doyo Classic Masterpiece Piano Picture Book Revised Edition - All keys produce sound. - All songs playback confirmed. - Uses 3 x AA batteries (batteries currently installed are included). The sticker is peeling in some places and has been reinforced with tape. Please check the images. Sheet music is not included. This item has been played with by a child. Aside from the peeling stickers, I don't see any other areas of concern, but please understand that this is a used item. No pets, no smokers.