Answer:
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I build up castles. I tear down mountains. I make some men blind. I help others to see.
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land.
Come up and let us go. Go down and here we stay
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
When is it bad luck to see a black cat?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?