Answer:
Little Nancy Etticote in a white petticoat. With a red nose; the longer she stands the shorter she grows.
Things here are usually tagged with red stickers.
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.
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
I store fire-breathing animals.
No matter how little or how much you use me, you change me every month.