I am currently directing a production of Thoroughly Modern Millie. We need to figure out how to the get an elevator to lift up and down while two young ladies tap dance on it (we cannot do a lighting technique). Any ideas of how to rig this to go up and down? We have a welder. I am also open to a different sorts of contraption perhaps something that could lift it from the ground that wouldn't be loud. I've checked out Flying by Foy and it would cost around $3500. That's just not an option. Help from anyone!