Go check out my custom RGB Kenner proton pack for sale on ebay.
http://cgi.ebay.com/Ghostbusters-Custom-1986-Kenner-Proton-Pack-NO-PAY-PAL_W0QQitemZ170250148083QQcmdZViewItem?hash=item170250148083&_trkparms=72%3A1075%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14&timeout=1218663694576