wanted: ghostbusters proton pack

[VroomPshhTsi]

I'm probably going to be a ghostbuster for Halloween up here in Madison and was wondering if anyone still have those old school proton packs (I use to have them as a kid but gave mine away to purple heart years ago). Here is what they look like:

http://cgi.ebay.com/GHOSTBUSTERS-1980-s-PROTON-PACK-WOW_W0QQitemZ170037630405QQihZ007QQcategoryZ16463Q QtcZphotoQQssPageNameZWDVWQQrdZ1QQcmdZViewItem

stupid ebay is overpriced especially with shipping