''What did the limestone say to the geologist?'' ''Don't take me for granite!''Brighten their day and give 'em a giggle with More Lunch Box Jokes!Set comes with silly jokes, riddles, and pictures on 60 colorful cards!Fronts of cards are coated.Parents can add personal notes on the uncoated card backs.Lively full-color designs.Vibrant artwork makes every card a delight.60 different cards!Cards come packaged in a reusable box.Cards have rounded corners for reduced wear.Cards measure 3-1/4'' square.