Answer:
What has many keys but can't open a single lock?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I always have to work with something in my eye.
The more you take away the bigger I get. What am I?
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
What made Cyclops quit teaching?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic