National Geographic Kids Little Kids First Board Book: FrogsBursting with ribbet ing photos, this charming board book for babies and toddlers explores how a frog becomes a frog from egg to tadpole to all grown up! Bursting with ribbet ing photos, this charming board book for babies and toddlers explores how a frog becomes a frog from egg to tadpole to all grown up! In these pages, little readers learn how this kid favorite animal develops from a tiny egg to a chubby tadpole to a big eyed, long legged adult