Answer:
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
Iron roof, glass walls, burns and burns and never falls.
There are millions of me. I am very small but when moving fast I am deadly.
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.
Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth. What is it?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?