Answer:
What has four legs during the day; and six or eight during the night?
What surrounds the world, yet dwells within a thimble?
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
What does everyone know how to open but not how to close?
It is greater than God and more evil than the devil. The poor have it, the rich need it, and if you eat it you'll die.
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?