ABC Sound Book is the perfect way to make alphabet learning for toddlers more enjoyable! This interactive alphabet learning book has an on & off button on each page where children can press and listen to ABC's song at a gentle pace making it easier for them to follow along while contemplating the charming illustrations of each letter and the word and illustration attached to each of them.With this interactive musical board book, your little one can sing along with the ABC tune, press each page and learn the letters of the alphabet at their own pace. Our sing-along books for toddlers come with batteries and can easily be replaced, and a convenient on-off switch at the back is perfect for quiet reading time and preserving battery life