Answer:
You can tumble in it, Roll in it, Burn it, Animals eat it, Used to cover floors, Still used beyond stall doors. Freshens whatever it is placed on, Absorbs whatever is poured into it. What is it?
What you become during a workout?
Where can you find roads without cars, forests without trees and cities without houses?
What has no hands but might knock on your door, and if it does you better open up?
Sheets of paper that tell new stories each day.
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.