
Remember that saturday night live skit, the one with the cowbell? Well, Christopher "The Patron Saint of Cowbell" Walken has decided to have his very own little cowbell song database.
Check it out:
http://www.geekspeakweekly.com/cowbell/

That's right... It's an entire NES stuffed into a super mario cartridge. That's pretty ironic huh? Has the whole works, all the ports etc.. even a power switch. It's pretty awesome, only thing I would add is the ability to use batteries. Maybe a little LCD screen too.