Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
You can catch me but cannot throw me. What am I?
In the sun I like to play; in the rain I goes away; walk or run I always follow; in the mud I always wallow.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?