Answer:
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
What is harder to catch the faster you run?
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
In all the world none can compare I am a tiny weaver my deadly cloth so silky and fair.
As a state in America I am round on both sides and high in the middle.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.