Answer:
I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I have three feet but no arms or legs
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
My snake-like body cracks and burns. I cause pain but pleasure too. What am I?
When is it bad luck to see a black cat?