''Knock, knock.'' ''Who's there?'' ''Donut.'' ''Donut who?'' ''Donut ask, it's a secret!'' Brighten their day and give 'em a giggle with Knock Knock Jokes: Side-Splitting Lunch Box Jokes. • Featuring funny, silly knock knock jokes and colorful pictures on coated cards! • 60 different cards. • Tuck one in your child's lunch each day. • Heavyweight card stock. • Fronts of cards are coated. • Parents can add personal notes on the uncoated card backs. • Lively full-color designs. • Easy-to-read jokes. • Cards come packaged in a reusable box. • Cards measure 3-1/4'' square. • They fit easily in lunchboxes, lunch bags, and backpacks. • Amusing pictures combined with funny wordplay will bring a smile to their day!
