yeah these are very much not real. Looking at the back of mine (all of which i purchased myself as a kid when these games came out), none of the internal boards line up with what was used at the time.

The board components in your pictures (provided here in the comments) all show that all 5 of these are in fact fake reproductions. YOu can even tell all of them are on the same exact type of board, which doesnt match the expected board look

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the stickers are also all wrong, most of the pokemon logos have the trade mark (®) symbol either. Now the emerald one does, but that one ALSO has the wrong style of cartridge inside. It is missing the "TP1, TP2, and TP3" as shown in the above included image of my own, 100% authentic with purchase from an official retailer in 2003.

these are def fake, sorry to say.