Little ones will love these handheld music players with on-screen animations for every song!Using the 3 key-top buttons (PLAY, SHUFFLE, and STOP) and a rotating song selector user plays 20 digital audio songs (with music and vocals) and animation. Lyrics are printed in the book so readers can read and sing along. Use the rotating song selector wheel to scroll through images on the LCD screen. Press PLAY to play that song and animation. Press SHUFFLE to play three songs/animations randomly. Sing along to 20 Thomas songs!