Answer:
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.
Bright as diamonds, Loud as thunder, Never still, A thing of wonder.
When it comes in, From sea to shore, Twenty paces you'll see, No less, no more.
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
What has six faces, But does not wear makeup. It also has twenty-one eyes, But cannot see?
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?