Answer:
What flies without wings?
You can tumble in it, roll in it, burn it, animal eat it. Used to cover floors, still used beyond stall doors. Freshens whatever it is placed on. Absorbs whatever is poured into it.
We are five little objects of an everyday sort. You will find us all in a tennis court.
Pregnant every time you see her, yet she never will give birth.
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.