Answer:
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. What am I?
What goes through a door but never goes in and never comes out?
I have a few points but we're not competing. I'll help you win when you're eating.
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I may be of the eye, in order I am pie. In my center there is a star, I keep medics where they are. What am I?
What language does a billboard speak?