Answer:
I pass before the sun but make no shadow. What am I?
I describe a toilet cleaner as well as one of Santa's reindeer
The more there is the less you see.
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
I can only be played on a windy day. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.