Answer:
What turns everything around but does not move?
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
What has three feet but no arms or legs?
What sphinxes employ and players enjoy.