Answer:
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground It holds pale gems of blue.
My sides are firmly laced about, Yet nothing is within; You'll think my head is strange indeed, Being nothing else but skin.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
In the evening I'm long, in the morning I'm small; When seen in a ballroom, I'm nothing at all.
I am nothing really at all, Yet I am easily found; Ignore me at your own peril, and you might end up crowned!
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?