So, I'm thinking it might be cute if you made a 'carousel' with dinosaur chicken nuggets. Use a cardboard circle cutout, put chicken nugget dinosaurs onto skewers, put a skewer in the middle of the circle cutout and then create a carousel top out of something. I bet a place like oriental trading has some sort of carousel cupcake stand and you can use that for dinosaur chicken nuggets instead of cupcakes;)
Remember bobbing for apples? Well, you can do a modernized (and more sanitary) version, by tie'ing apples to strings and hanging them from a tree or something, tie'ing kids hands behind their backs and letting them each loose on an apple - makes eating healthy a carnival game;)