Answer:
Forward Iām heavy, but backwards Iām not.
What has six faces and twenty-one eyes?
What number has all letters in alphabetical order when spelled out?
What can be seen but never found that only hides in the unwound?
I am always in front of you, but you will never see me. What am I?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.