Answer:
I can be quick and then I'm deadly, I am a rock, shell and bone medley. If I was made into a man, I'd make people dream, I gather in my millions By ocean, sea and stream.
If you have it, you want to share it. If you share it, you don't have it.
What gets closer when you blink?
What letter comes next: O T T F F S S ?
What has a bell but isn't a church. Is full of air but is not a balloon?
What is always coming but never arrives?