1UPcard™ Cleaning Cartridge Compatible with N64 Controller Pak Slot

Rumble Pak Not Registering? Clean This First.

A dirty pin connector inside your N64 controller's expansion slot can keep the Rumble Pak or Transfer Pak from working right. This cleaner clears grime and corrosion before it costs you a save file.

• Cleans and polishes the connectors on your N64 controller's expansion slot
• Assembled in the USA from domestic and foreign components
• Brand new, made from all-new parts