Answer:
I am of several different kinds, but the one you pick doesn't do its job. What am I?
Glittering points that downward thrust. Sparkling spears that never rust.
What two things can you never eat for breakfast?
I can never be stolen from you. I am owned by everyone. Some have more some have less.
I have a head and a tail but no body. What am I?
What made Cyclops quit teaching?