Answer:
What goes up but never comes down?
I may be of the eye, in order I am pie. In my center there is a star, I keep medics where they are. What am I?
What has keys but no locks a space but no room and you can enter but can't go in?
I am a shiny metal sheet that covers BBQ food.
I am the building with the most number of stories. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.