Answer:
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
What kind of nut is empty at the center and has no shell.
Who is it that rows quickly with four oars, but never comes out from under his own roof?
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?