Answer:
Where do fish keep their money?
You walk into a room with a match strike the match and notice a candle a lamp an oil burner and a fireplace. Which do you light first?
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
I have wheels and flies yet I am not an aircraft.
I am whole but incomplete. I have no eyes yet I see. You can see and see right through me. My largest part is one fourth of what I once was.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?