Little boys seems especially turned on by gross stuff. You know nothing would make them happier than Halloween party food that is gross looking but yummy. These used bandaid snacks are made with cinnamon graham crackers with white frosting and red gel frosting. Would your kids love stuff like this? This site has a dozen more ideas including Earwax, Moldy Cereal, Rat Droppings and other fun to make realistic looking yucky foods.