I have my servo controlled prop parts set up in a room in my house. Inside you will find skulls, arms, torsos, etc sitting out. I keep the door locked so the maids remember to stay out. I was downstairs when I heard the door open (I forgot to lock it) and a big gasp of air as she jumped back. I walked upstairs and in Spanish she was saying something in a frantic voice to her coworker who told me in broken English that she was frightened. They both laughed. Who says you have to wait for Halloween to get a good scare out of someone.