Answer:
I give people a huge fright but at the end I'm sweet. I normally celebrate at night when there's less heat.
My days are numbered.
What is shaped like a box, has no feet, and runs up and down?
What goes up and down, but does not move?
I'm not alive and yet I grow. Just put me next to where it glows. A favorite in summertime best with friends when combined
I am rarely touched but often held. If you are smart you'll use me well. What am I?