The Spirit Halloween ecto-goggles, out of the box, are a pretty nice approximation of the original prop. But I thought with a bit of time and effort they could be made to
Mattel Movie Masters Epische Kreationen Ghostbusters Germany | Ubuy
Ecto Goggles - Equipment - GBFans.com Wiki
Hollywood Collectibles Group Ghostbusters Replica 1/1 Ecto-Goggles: Amazon.de: Spielzeug