I Need Ideas Fast!!

My birthbay is coming up and we are going to do it over the weekend. I dont have any clue what to do. Its going to rain so i cant do any thing out side. Im turning 13 and i cant think of any ideas. Last year a had a dance party but thats going out now and i wont to do something fun but not childesh plz help me.
Posted by Courtney; updated 05/08/07