The perfect size for babies and toddlers With rounded corners and sturdy pages to outlast even the roughest toddlers " data-position="triggerHorizontal"> Lyrics and colorful illustration for each song Lyrics are printed, so you can sing along! " data-position="triggerHorizontal"> Convenient ON / OFF switch at the back Perfect for quiet reading time and preserving battery life. Batteries are included and can be easily replaced. " data-position="triggerHorizontal"> Sound button on each page Press the button to activate the song and work on fine motor skills " data-position="triggerHorizontal"> Feedback from our Amazon Customers Discover why parents & babies LOVE us! "My son absolutely loves DITTY BIRD BOOKS. We have such a collection going on.