Answer:
I am clean when Iβm black dirty when Iβm white.
I build up castles. I tear down mountains. I make some men blind, I help others to see. What am I?
If two's company and three's a crowd what are four and five?
I contain five little items of an everyday sort. You can find all five in a tennis court.
I have six faces but not even one body connected 21 eyes in total but cannot see.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?