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?
I am a king who's good at measuring stuff. What am I?
I am perfect with a head perfect without a head; Perfect with a tail perfect without a tail; Perfect with either neither or both.
I am a kind of coat that can only be put on when wet. What am I?
I fly away as soon as you set me loose. People around you may slowly move away once they sense my presence.
When is it bad luck to see a black cat?