Answer:
Different lights do make me strange, thus into different sizes I will change.
Twigs and spheres and poles and plates. Join and bind to reason make.
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. The wind is my lover, one-legged am I. Name me and see me at home in the sky.
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
What is as big as you are and yet does not weight anything?
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?