Answer:
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I have married many women but have never been married. What am I?
What language does a billboard speak?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic