DξβS has some pretty amazing lego creations on this flickr page. I’ve only included a tiny sample here and mostly just his Nintendo handheld consoles because I think they are pretty amazing! They’re even made to perfect scale so that games and batteries fit in them.
Lego Original Gameboy
Lego Gameboy Advance
Lego Gameboy Advance SP
Lego Nintendo Entertainment System (NES) Controller