Harry potter studio tourr r warner brothers have opened up their sets for an official harry potter studio tour featuring authentic sets costumes and props from the making of the harry potter filmsr r jump on board the real hogwarts express trainr r the original steam engine that was used in the harry potter film series is now part of the studio tourr r visitors can climb aboard the famous train and sit in the carriage that was used for filming scenes shown through the andlsquowindowsandrs