Funny knock knock jokes for kids :)
free lunch box notes for preschoolers | Knock Knock Lunchbox Jokes
Another great knock knock joke!
Lizard door knocker - Grant K. Gibson Knock knock
25 Hilarious Knock, Knock Jokes for Kids - Clean jokes that are funny!
24 New Knock Knock Jokes to use with your child when hanging out.
"Knock, knock, knock, Penny…" But seriously, the first thing I thought of was Doctor Who. Knock, knock, knock, knock.
A list of 34 (and growing) funny knock knock jokes for kids to have on hand! They are great for family vacations like road trips.
Possibly The Best And Most Convoluted Knock Knock Joke Ever -- If only all Facebook comment threads were like this.
Best 40 Funny Memes Collection