Game and watch Nintendo -super Mario, cement factory, donkey Kong

I will sell these for $75 each. I am showing videos of them working. I personally don’t know how to play him so I just showed hitting the buttons and what happens. I am the original owner of all these games. Craigslist site does not let me upload the videos. I can send them to you when you ask. phone number 314-249-0258 for questions..