Answer:
What type of paper can you neither read nor write on?
What has one eye but cannot see?
I have an eye but cannot see, You'll head inside when you see me.
Only one color, but not one size. Stuck at the bottom, yet easily flies. Present in sun, but not in rain. Doing no harm, and feeling no pain.
An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes.
When is it bad luck to see a black cat?