Answer:
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
There was a girl half my age when I was 12, now I am 66, how old is she?
I'm light as a feather yet the strongest person can't hold me for more than a few minutes. What am I?
I transfer oxygen from the atmosphere to your blood
I have no bed to sleep and no palace to live. I don't have a single coin but I am known as king. What am I?
When is it bad luck to see a black cat?