Crunch crunch crunch. Teeth are strong and sharp. Crunch crunch crunch. Teeth can help you chew. But teeth are not for biting. Ouch! Biting hurts. This upbeat, colourful, virtually indestructible book helps prevent toddler biting and teaches positive alternatives. With some common reasons why children might want to bite and positive things children can do instead of biting: chew a chewy toy, drink a cold drink, get a hug, tell a grown-up.