Looks like the latest 'Gadget' from Jameco has duplicated an old method, or a variation on a theme.
http://www.jameco.com/z/21-880-Kit-...+Mouse&utm_campaign=FQPROJ&utm_content=FQPROJ
Like..
Max.
http://www.jameco.com/z/21-880-Kit-...+Mouse&utm_campaign=FQPROJ&utm_content=FQPROJ
Like..