There aren't instructions here, not unless you're really good at figuring out what's going on in a bunch of images. But it's still fascinating to watch a Nintendo 64 get picked apart and then pieced back together again as a portable.
And what's the game in the slot when it's done? Goldeneye of course!
TRANSFORMING A NINTENDO 64 INTO A HANDHELD CONSOLE [Slightlywarped]