Answer:
It's equally comfortable in an orchestra and a geometry textbook. What is it?
What do people want the least on their hands?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
What is made of wood but can't be sawed?
I have feet on my head
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?