Flip through the 16 interactive pages to hear the story read aloud or enjoy musical play by jamming to a melody with fun sounds and musical notes Press the light-up button to hear letter names letter sounds and words from the story Manufacturered by LeapFrog. Number buttons along Dino's back introduce counting and recognizing numbers from one to ten This complete story with beginning middle and end exposes your child to early reading skills. 2AA batteries are included for demo purposes replace new batteries for regular use. Product dimensions: 12.3" Wide x 12.5" Height x 2.7" Depth Letters and words are woven into the story in alphabetical order with phonetic sounds to introduce ABCs to your little one through a charming tale