Answer:
A metal snake that runs on tracks.
Teddy bears are never hungry because they are always what?
It looks like it's grizzly but it's actually soft and cuddly. It may be big or small, all stuffed up and ready to be snuggle.
I am green and ugly and come out at night with a crumple old broom. Who am I?
He prefers to travel on vines and pal around with gorillas.
What goes around and around the wood, but never goes into the wood?