Your square egg maker is a rare glimpse into a different, simpler era, and could bring big bucks on eBay.
“New In Box”!
LOL! I actually bought mine new, about five years ago. Maybe you’re right about it coming back.
There are also a lot of neat gadgets for making the kind of fancy sandwiches that ladies used to have at their bridge parties in the ‘fifties and ‘sixties. But I usually find those in the thrift store...