Answer:
What comes once in a minute, twice in a moment, but never in a thousand years?
What word is the same written forward, backward and upside down?
The more holes you cover the lower it goes.
A nut cracker up in a tree.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.