Thomas & Friends Sing-Along Songs is an interactive sound book that plays 10 songs. Children press one of the five shaped buttons on the book s attached audio module to activate the songs (two songs share each button). As a song plays, Thomas, Percy, James, and other friends appear in the mirror on the module. The book is recommended for children ages 18 months and older. Lyrics for each of the songs are printed on the book s pages. Here is a list of the 10 Thomas Anthem Come for the Ride He s a Really Useful Engine Little Engines You Can t Judge a Book by Its Cover Surprises Down by the Docks There s a World Around You Let s Have a Race There s Always Something New Thomas & Friends Sing-Along Songs has coated board pages that stand up to repeated use and comes with three replaceable AAA batteries that power the sound module. The book conforms to the toy safety requirements of ASTM F963-08.