Answer:
What is made of wood but can't be sawed?
You can hold it without using your hands or arms. What is it?
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground. It holds pale gems of blue.
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
What goes around and around the wood, but never goes into the wood?
I have two eyes in the front and a lot of eyes on my tail