Knock Knock Jokes for KidsHilarious Joke Book For Kids Ages 4-12! What a great gift!Funny kids love funny jokes and this brand new collection of super funny knock knock jokes promises hours of fun for the whole family!Just wait until you hear the giggles and laughter!This book is especially great for long trips, waiting rooms, and reading aloud at home.✓ 100+ knock knock funny jokes✓ Excellent for early and beginner readers✓ Hours of fun and entertainment for kids and children✓ Great for long trips, waiting rooms, and reading aloud