There are many reasons Cereal should be on the top of this list. Here's a list of some of the reasons:

- hundreds of brands and varieties
- some are nutritious
- you can eat them for breakfast, lunch, and dinner
- they last a long time before they expire (sans the milk)
- the back of the box usually has good reading material to waste a few minutes of your time.
- some cereal brands come with prizes and toys.