Answer:
What is as big as you are and yet does not weight anything?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
What is the freedom of birds and the pen of old men?
The eight of us move forth and back. To protect our king from the foes attack.
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
I can only be played on a windy day