Answer:
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I have a brother. However much we run we do not reach each other.
I jump when I walk and sit when I stand.
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?