 These "Happenings" use disposable elements like cardboard or cans making it cheaper on Kaprow to be able to change up his art piece every time.The minute those elements break down, he can get more disposable materials together and produce another improvisational master piece.He points out that their presentations in lofts, stores, and basements widens the concept of theater by destroying the barrier between audience and play and "demonstrating the organic connection between art and its environment."