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 climb higher as I get hotter. I can never escape from my crystal cage.
The 8 of us go forth and back to protect our king from a foes attack
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
The more you take, the more you leave behind. What are they?
Forward Iām heavy, but backwards Iām not.