Never heard the term HUO, I'm guessing you mean Home edition captain fantastic and not the commercial coin operated EM game. You need to verify which captain fantastic the seller has if you have not seen a picture. It's not worth your time to travel a long distance for a home version pin.
Assuming you are aware of what you are getting into these games are usually salvageable. The most common problems are with the power supply. Shorted diodes or worn out capacitors. TNT has a video where they were able to do a quick repair on a customers home fireball you may find interesting.