Answer:
Runs smoother than any rhyme, loves to fall but cannot climb.
It can cause deflation of tires when dropped from the rear of spy cars.
What gets closer when you blink?
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
What is it that you must give before you can keep it.
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?