You know you've become a boring adult when you start eating oatmeal everyday for breakfast. You?ve given up the sugar-coated cereal hocked by ascot-wearing Bengal tigers and draculas named Chocula. You're probably at a point where you are worried about calories, cardiovascular disease and other such things. Hey, at least you still believe that a vampire can hurt you. That's something like being a child, right?

I buy oatmeal in those big round canisters that say "PLAIN" on the front in large, boring letters. Usually, I just throw the cardboard containers in the recycling bin and forget about them. But I realized that there was probably an opportunity for reuse. Here's what I've uncovered.