5,000 cubic feet and approximately 80,000 items of magic  memorabilia, including Houdini's Water Torture Cabinet and his Metamorphosis Trunk, Orson Welles' Buzz  Saw Illusion and  automata  created by  Robert-Houdin . [25] [26] The museum is not open to the public; tours are reserved for "colleagues, fellow magicians, and serious  collectors". [25]