Inch along through the seasons with the very hungry caterpillar to discover new animal friends! 13 interactive buttons bring the story to life with a sunny song and real animal sounds, including a bird, horse, frog, rooster, bear, fox, owl, cricket, and lion. The story introduces counting, movement, opposites, and animals. The special top button is set within a custom-shaped smiling sun frame. Interacting with the story keeps young readers engaged, and matching pictures with words and sounds improves reading comprehension!