Answer:
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
What doesn't get any wetter, no matter how much rain falls on it?
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?