What Am I Riddles

Question: The shorter I am, the bigger I am.

What am I?

Question: I'm red, blue, purple and green.
No one can reach me, not even the queen.

What am I?

Question: What always goes to bed with its shoes on?

Question: There are several different kinds, but the one you pick doesn't do its job.

What is it?

Question: 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?