Answer:
I move without wings Between silken string I leave as you find My substance behind.
I run up and down the stairs without moving
You cannot keep me until you have given me. What am I?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am easy to waste and unstoppable
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic