Read and sing along to babys favorite nursery rhymes This interactive app encourages early learning with dynamic characters, engaging music, sung songs, animations and two great classic stories: Hickory Dickory Dock and Pat-a-CakeWhile this app is absolutely free on its own, it comes to life with the purchase of the Apptivity Storybook Reader (Product #Y4234) from Fisher-Price. Place your device in the reader, which offers a durable screen to protect from dribbles & drool, and watch as your baby turns the page and advances the story by opening and closing the cover of the reader. See our Media Viewing Tips at: http://www.fisher-price.com/en_US/playtime/keepinmind.html