None have been tested if they work or not. Everything comes as is and no returns are accepted. Everything comes as pictured. 
Things included: 
- Kodak Tourist II - kit ( flash holder, film case and camera ) 
- Polariod 300 
- Olympus DX TRIP MD3
- BG Helioflex 3000T
- Jiffy Kodak (not sure of the exact model - I believe it is missing some parts.)