Answer:
A piece of paper that takes most people 3 or 4 years to get.
What can one catch that is not thrown?
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.
I twist and turn and leave a loop. What am I?
What has roots that nobody sees and is taller than trees. Up up up it goes and yet never grows?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.