Answer:
What is shaped like a box, has no feet, and runs up and down?
What goes up and down but does not move?
I am very easy to get into,but it is hard to get out of me. What am I?
If you drop me, I'm sure to crack. Give me a smile and I'll always smile back. What am I?
What kind of room has no doors or windows?
Dry though I may be, I am still a sea.