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 an animal and a hair product
I have an eye, but I can't see. I usually have to work with something in my eye. What am I?
I am so delicate that even mentioning me breaks me. What am I?
Although glory but not at my best. Power will fall to me when the man who made me dies.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.