Costume Demos 1: see yourself as an alien - let our expert turn you (temporarily) into an alien with makeup, showing you and your friends how it can be done.
Costume Demos 2: see how to redo your outfits as alien garb; a group at a time use simple materials to make a costume from ordinary clothing. Alternatively learn 12 things you can do with a T shaped tunic and fabric (with pro costumer Mary Turner's help)
Costume Demos 3: masks can change your personality, without requiring all that plastic surgery; a group at a time can create alien looks in various materials.
Art Demos 1: learn to make aliens to keep around the house: a group uses sculpy to form alien creatures, under the guidance of a recognized alien creator (Barb Carlson's name was suggested, but she hasn't officially been volunteered yet), who can bake them on the spot and give you something to take home. And you can probably buy some of hers, too.
Art Demos 2: contribute to a giant puzzle, by decorating a puzzle piece, to be put together under some inscrutable alien formula supplied by Nancy Janda.