my buddies and i are in the process of building a 3 story tree house. this tree house is going to be made for partying. the first floor is done and yes we were already up there passing a 40 around. anyways i need some cool ideas for a party tree house that will be 3 storys high. so far what we have in mind is a zip line to the fire pit, a 1 2 and 3 story beer bong and maybe make a sling shot to shoot beers at ppl around the fire pit. any ideas?