I got recently a Keyboard component fully boxed and the box with the playcable manuals.

I'll update the infos about the french manual and btw I am the one who got the strange parker brothers prototypes; they were done by Unimex, it sounds very strange.

I put the photos in my collection.

They're heavier than normal PB cardridges (about x 1.5 times) and I know were made by Unimex, which is quite strange; my guess is that they're prototypes to test the first 16k RAM cartridge games.

Frogger was 8k, just like the first Mattel Electronics games, Super Cobra, Popeye and Tutankamen were 16k.

There are two cartridge named Popeye, but one has a smaller board (a bit loose too) and doesn't work.

All others work and are just like the original games.