Answer:
What can you blow up and keep intact?
Why shouldn’t you give Elsa a balloon?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
The surname of Cinderella's boyfriend
Possibly the only famous plumber who has the courage to ever to rescue a princess.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?