Fun Riddles

Question: A man travels by wagon,
brings joy each evening,
but depression by the morning.

Who is he?

Question: I have every color, but no gold.

What am I?

Question: Draw, fire, or fill me;
I'm still empty.

What am I?

Question: I wear a red coat and have a stone in my throat.

What am I?

Question: A man walks into a completely dark room. There is a box on a table at the other end of the room and immediately the man knows one of the contents of the box. He cannot smell, see, or hear it.

How does he immediately know what is inside?