Answer:
I make everyone blind. You can't see me but I will always come back for you. What am I?
I love spinach.
What invention lets you look right through a wall?
What can one catch that is not thrown?
I am an odd number. Take away a letter and I become even. What number am I?
When is it bad luck to see a black cat?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic