Answer:
I am the ultimate killing machine used not once but TWICE I can be made by humans.
What can you break even if you never touch it?
I am black and white. I have strings I have keys. I make sound without my lips. I make dough with no flour
I have Eighty-eight keys but cannot open a single door.
What can travel around the world while staying in a corner?
What made Cyclops quit teaching?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic