I remember some Chinese company was making $35 Megadrive units with cartridge slots. A friend of mine was going to buy a few and send one to me as he wanted to

I remember some Chinese company was making $35 Megadrive units with cartridge slots. A friend of mine was going to buy a few and send one to me as he wanted to make Megadrive games. $125 is a bit much can get a used verson for cheap on eBay.