Nintendo DS Original Slot-2 Mod for Running GBGBC

If I wanted to grab more DS cases from Nintendo to say backfill my GBA collection, would they be Eco-crap or not? Has anyone ordered recently ?

I recently purchased a broken ds lite off of ebay to attempt repairing it as a little project It won't read ds or gameboy games,

ds lite gameboy slot Remove the Game Pak Slot Cover from the Game Pak Slot · With the label side of the Game Boy Advance Game Pak facing away from the Nintendo DS Lite,

dsi gameboy slot I'm under the assumption that as long as you get a Nintendo DS game it will have that extra slot since the Nintendo DS