The Jesus Loves Me Play-a-Song Book has a four-button sound module that plays the melodies for four Bible songs. Lyrics for each song are printed in the book, which is recommended for children ages 18 months and older. Kids press the buttons to activate the melodies and sing along to these songs: • This Little Light of Mine • Jesus Loves Me • I've Got the Joy, Joy, Joy, Joy Down in My Heart • He's Got the Whole World in His Hands The Jesus Loves Me Play-a-Song Book has coated, board pages that are resistant to rips and tears, and withstand heavy use. The sound module is powered by three replaceable AG-13 button cell batteries (included).