Answer:
What goes up and down stairs without moving?
I have memories, but none of my own. Whatever's on my inside is what is shown. If I'm ever different, it's because you changed me. I feel like a decoration, here for you to arrange me. What am I?
I cannot be burned in fire or drowned in water
What comes once in a minute twice in a moment but never in a thousand years?
I am orange and sound like a parrot.
What never gets any wetter no matter how hard it rains?