Fourteenth Birthday-Sleepover HELP!

Hey,
My name is Brianna and my birthday is sept.23rd and its a friday this year so im having a sleepover. It will be my fourteenth birthday and im having 9other girls sleep up. Were gonna sleep up in the top up my shed and mom said she will leave us alone. But I need some ideas for it. I live in a small town and there is not a movie theatre or mall so cross that idea out. Please help me! I dont have much time till the party!!!