favorite knock-knocks to liven up someone else's afternoon or just spend long family trips entertaining themselves. Perfect for bringing a smile to anyone's face, Super Incredible Knock-Knock Jokes for Kids will keep youngsters and their friends laughing for quite some time.Knock, knock.Who's there?A little boy.A little boy who?A little boy who can't reach the doorbell.With so much good clean fun in hand, kids will be able to astound their parents, defeat all signs of boredom, and have a wonderful time adding a little slap-happy silliness to people's lives.

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