Answer:
I run smoother than any rhyme I love to fall but cannot climb.
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
Sing me to a baby about to go to sleep.
Brings the sky a lot closer.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic