Answer:
What is lighter than what it is made of?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
What goes up but never comes down?
It can cause deflation of tires when dropped from the rear of spy cars.
What surrounds the world, yet dwells within a thimble?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.