Make your NES Nintendo system work like new again by installing a brand new 72 pin connector into your NES console You must Professionally clean each of your games also to remove years of dirt and oxidation build up or you will transfer the dirt and oxidation from your games to your new 72 pin connector and you will quickly have the same problems you had before.This kit will allow you to open up each of your Nintendo games with the special security tool bit required to open up all Nintendo games and clean each of your games like they were new with our None static game cleaning cloths and our video game cleaning paste. THIS KIT INCLUDES THE FOLLOWING  1 NEW 72 pin Connector  1 Nintendo Security Key required to open up all Nintendo games (You will also be able to use this to open up all Gameboy ,Super Nintendo, Nintendo 64 cartridge games and Professionally clean them 3 Non static video game cartridge cleaning cloths  1 2OZ Bottle of Video game cleaning past 1 2OZ Bottle of residue cleaner Enough cleaning fluids are provided to clean hundreds of games