Answer:
What goes through the door without pinching itself? What sits on the stove without burning itself? What sits on the table and is not ashamed?
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
What moves without seeing and cries without eyes?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What number has all letters in alphabetical order when spelled out?
What is lighter than what it is made of?