Watch this YouTuber turn an NES cartridge into a working console that plays other NES games — and itself

Using the empty space available inside an original NES game cartridge, YouTuber James Channel turns a copy of NES Open Tournament Golf into a full working Nintendo Entertainment System, complete with cartridge slot and 2 controller ports. 

Using the empty space available inside an original NES game cartridge, YouTuber James Channel turns a copy of NES Open Tournament Golf into a full working Nintendo Entertainment System, complete with cartridge slot and 2 controller ports.