My friend Pat has one of these, but here’s a pair of Vectrex game consoles. It was really a groundbreaking, albeit ultimately not that successful, product. Those clean vector graphics looked just like Asteroids in the arcade, and not at all like your blocky Atari 2600 with images that looked like they were made out of those fake oversized Legos for toddlers.
The owner was clearly a fan of portrait oriented computing devices. This was at the same sale:
