Ernie Smith on Nostr: First off, it is important to note that there were many, many Pong consoles ...

First off, it is important to note that there were many, many Pong consoles throughout the 1970s. Wikipedia, lists 997 consoles produced in the first generation. The Video-Volley was one of them.

https://en.wikipedia.org/wiki/List_of_first_generation_home_video_game_consoles