Answer:
A metal snake that runs on tracks.
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
Snow White was friendly with seven of them
For all your post bubble-Βbath drying needs
Bill's mom has four kids: Mary, John, and Alice. What is the name of her fourth child?
I have a few points but we're not competing. I'll help you win when you're eating. What am I?