Answer:
What is black when you buy it red when you use it and gray when you throw it away?
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
My first is in riddle but not in little. My second is in think but not in brink. My third is in thyme but not in time. My fourth is in mother but not in brother. My last is in time but no t in climb.
I have a head, tail, but no arms and legs. What am I?
My tail is long, my coat is brown. I like the country, I like the town. I can live in a house or live in a shed, and I come out to play when you are in bed. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.