Answer:
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard.
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
I sleep by day, I fly by night. I have no feathers to aid my flight.
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
When I get closer my tail grows longer, but when I go away my tail leads the way.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?