Game Boy Advance e-Reader Sample Pack · Digital Game Museum Collection
I just got a GBA e-reader after realizing I have a bunch of Pokémon cards I could scan with one. (They are only around $20 on eBay, from what I've seen.) :
The E-Reader
Pokémon Battle-e | Nintendo | Fandom
Opened 2002 Nintendo e-Reader Sample Pack with 4 cards Pokemon & Animal Crossing | eBay