Answer:
Used left or right I get to travel over cobblestone or gravel. Used up I vie for sweet success used down I cause men great duress.
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 sound made by felines when petted.
I am the best thing that can happen after a stick hits a ball.
I have cities without people forests without trees and oceans without water. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.