Answer:
What goes in the water black and comes out red?
What gets whiter the dirtier it gets?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
Though it be cold, I wear no clothes. The frost and snow I never fear. I value neither shoes nor hose and yet I wander far and near. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk