According to the AAP, rhyming and poetry are important ways parents can promote early brain development and boost vocabulary in their young children.
Dr. Seuss always says it best. More on the benefits of role play: http://bit.ly/1zV1htg #artfromthestart
Rhyming books can be especially fun to read aloud, and help children better understand the natural rhythm and sounds of language.
Long before a child learns to read, he is absorbing sounds and patterns of language by listening to you and other caregivers talk.