Answer:
I'm tall I'm round and hollow Seems to get chewed a bit But you'll rarely see me unless the other end is lit.
What is black when you buy it, red when you use it, and gray when you throw it away?
I can fall off a building and live, but in water I will die. What am I?
I am always in front of you, but yet I am never here. What am I?
What can travel around the world while staying in a corner?
I am rarely touched but often held. If you are smart you'll use me well. What am I?