Answer:
Old people and owls are said to be this.
Once you know it exists, it no longer exists. What is it?
What occurs once in a minute, twice in a moment and never in one thousand years?
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?
Thanks for such treasures as Mariachis, enchiladas and habanero!
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?