Babies and toddlers will love to learn their first letters, numbers, animal sounds and vehicle sounds with these delightful 27 button sound books. Each page groups words by category and features adorable illustrations to encourage little ones to help develop word, picture, and sound recognition. Also aids in developing fine motor skills with traceable letters and sound buttons. The perfect early learning book! Sound module has an on/off switch. Please enter your preferred title in the instruction section after you've added the item to your cart. Selection varies by warehouse.