Im Turning 13 So What Should I Do At My Party

Hi..my friend is turning 13 and she doesnt know what to do for her b-day party and she wants me to to find out hat to do, so i decided to ask u guys. Its hot here, were in texas and we dont wear cowboy hats!!(they always put that in the movies! only like the people who live in ranches. Anyways, yea we would like to know what to. Shes only invtiting 4 people,me,2 of her friends from her school(dont know them), and her cousin(i know her).soooo thanks for helping!