Answer:
I'm found in socks, scarves and mittens. I'm found in the paws of playful kittens. What am I?
When it comes to me you go on red and stop on green.
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.