Keyboard Controller - Atari 2600

[MarioMania]

I have 2 Keyboard Controller, How do I clean it.. The cord is so sticky it sticks to some stuff..Is there a cleaner that cleans it like new..& there's tape stuck on the side of the controller

http://img.photobucket.com/albums/v112/MarioMania/Keyboard2600.jpg

[SkiDragon]

Goo gone.