Answer:
What has to be broken before you can use it?
You can read me both ways I wear; One way it's a number reversed a snare.
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
Forward I am heavy backward I am not. What am I?
What is always in front of you but can't be seen?
What made Cyclops quit teaching?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic