Yes, "Archie McPhee meets Edmund Scientific" is exactly the vibe. I grew up reading all three catalogs, and when my family was in the Chicago area on other business, 8-year-old me got to visit the Jerryco store (as they were known at the time) and my head nearly exploded.
I wanted the whole store. Or at least one of everything, pretty please?
Aww.
But it was truly a mad scientist's dream, and as I fancied myself something of a budding scientist (madness yet to be determined), I begged my folks for an advance on the next several years of my allowance. Somehow I was able to afford a couple different types of solar cells (fancy stuff in the 80s!), some really really well-built motors, a handful of switches, and some other electrical bits and bobs.
I just found a small rocker switch I purchased back then, actually. It's been with me through a number of projects and repairs, and it's always seemed to outlive whatever device I repaired with it, so I salvage the switch and its journey continues to intertwine with mine. Nearly four decades later. Weird.
I've been to a lot of museums in my years, but only one (turning the corner and coming nose-to-nose with a Blackbird at Udvar-Hazy) even comes close to the sense of awe I felt walking into that retail store back in the 80s. You can't put a price on waking up a kid's imagination like that.
Well, I suppose I just did, and it's sitting in their gofundme now.