Introduce your infant or toddler to a lovable bunch of dinos in this sweetly illustrated first book that doubles as a soothing teether. Learn opposites such as big & little, up & down, and awake & sleep from dino favorites including triceratops, T.rex, brachiosaurus, and more! Playful illustrations and minimal text make this an ideal first reading experience for curious children that offers an array of sensory experiences that strengthen fine motor skills, and hand-eye coordination, and soothe tender gums. Our durable line of Tuffy books is uniquely made to withstand the traditional wear and tear from teething babies and toddlers, BPA-free, and washable.