Rudolph the Red-Nosed Reindeer Sing-Along Christmas Songs is a Play-a-Song book that enables children to sing along to 10 popular Christmas tunes and enjoy characters from the holiday classic movie Rudolph the Red-Nosed Reindeer. Designed for children ages 3 years and older, the Christmas songbook has five sound buttons, each of which plays two melodies. Kids match the sound button that corresponds to the icon on the book's pages to activate the songs.The holiday songbook includes lyrics for all 10 Christmas songs. Here is a list of the ten songs:* Have a Holly Jolly Christmas (from the Rudolph movie)* We Are Santa's Elves (from the movie)* The Most Wonderful Day of the Year (from the movie)* A Merry, Merry Christmas* Silver and Gold (from the movie)* Rockin' Around the Christmas Tree* Jingle, Jingle, Jingle (from the movie)* When Santa Claus Gets Your Letter* Rudolph the Red-Nosed Reindeer (from the movie)* I Heard the Bells on Christmas DayRudolph the Red-Nosed Reindeer Sing-Along Christmas Songs has coated, board pages that withstand extended use. The book conforms to the toy safety requirements of ASTM F963-08. Three replaceable long-life AG-13 button cell batteries that power the sound module are included.