Answer:
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
I come with a train and go with a train and the train doesn't need me but can't go without me.
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. What am I?
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I cannot be bought cannot be sold even if Iām sometimes made of gold.
If you count 20 houses on your right going to the store and 20 houses on your left coming home, how many houses did you count?