Answer:
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
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.
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
A box without hinges, lock or key, yet golden treasure lies within.
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
If a rooster lays an egg on the exact peak of a barn, which side does it fall?