On July 24

I am having my 12th b-day party on july 24th! i know that that is a long ways away but i am doin that to give u guys plenty on time to give me some idea!! so help me!! i am having about 5-7 guys and they r 12 and 13 and very hyper!! and awesome at the same time!! lol... I am really into sportz and guyz and swimming!! so give me some ideas that have somethin to do with that stuff!! thanxzz