Answer:
I run up and down the stairs without moving. What am I?
What three letters change a boy into a man?
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
I can be cracked, made, told, and played. What am I?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?