Is this a good summer idea??? please help!!!?

hey well I wanted to do something special with my friends this summer. I wanted to have a BBQ?/luau/camping/sleep over!! lol well First i would invite four friends over. Then when they got hear I would lead them to the deck and sit under the padio and eat hamburgers and hot dogs and we will be surrounded by tiki torches ( the BBQ part lol ;p) then we would eat like potato chips and little snack's then we would change into bathing suites and then i would give them those flower necklaces and grass skirts then we would do limbo and rip stick contest (lol its not that girly) then we would have a balloon popping game you know when you grab a balloon and sit in a chair to try and pop it then we would have a water balloon fight and i have a sprinkler and it shouts like a volcano and me and my friends play with it all the time. and i would have that on the whole time and little cute decorations then we would have my brother set up the tent when were done with every thing then have a chic flick marathon in the tent with pop corn and ice cream is this a good idea??? please help! o yah umm at the end or when they get there i would paint there names on sea shells in Hawaiian. is that a good idea?