the only thing you will need is a long rope or string, the length being determined by the number of people participating. the only explanation for this is that something is heating the gas up again before it gets too cool. and we like the fact that not only is our son learning to discipline his mind, sharpening his capacity to think, read, and write, and not only is he reading the best minds of western civilization, he is also encouraged to seek god and welcome his spirit daily in his studies and his life on campus. 