Baby Babble 3 - Next Words with T, D & N. Baby Babble(TM) is an award-winning series that engages babies, toddlers, and beginning talkers with fascinating toys and charming music while introducing age-appropriate speech and language concepts, facial exercises, and sign language. Created by speech-language pathologists, Baby Babble (TM) 3 focuses on the developing sounds: T, D, & N.