Answer:
Men in skirts blow into these.
One am I, among six others: Largest, smallest, cold, dark and two brothers
What is born on the ground but floats to the sky, to be returned back again from the clouds up high?
What has a head yet it never weeps, has a bed but never sleeps, can run but can not walks, and has a bank but not a cent to its name?
What falls down but never gets hurt?
I am owned by Old McDonald.