12 months & up. Help your children to better regulate their emotions with this Teeth Are Not For Biting Book for Young Children. This book invites children to discover other ways of dealing with anger and emotions other than biting. This book contains vibrant, colorful illustrations and simple text making it an easy read. Children will learn that despite the way they feel, teeth are for chewing and not for biting. The board book contains thick pages that are easy for smaller hands to turn. 24 pages.