Trending Funny Knock Knock Jokes For Kids(10-11) : Knock knock. who's there? oftentimes, this kind of jokes will leave you not wanting to open the door to anybody that knocks on your door. Just mua with a lame joke thinking he/she is funnier than they really. Funny Knock Knock Jokes For Kids(10-11) - Just mua with a lame joke thinking he/she is funnier than they really.