This was the SCELBI 8-H, the first computer kit based around a microprocessor, in this case the Intel 8008.

first computer kit of

Bozeman, Montana (Wikipedia) Bozeman (/ˈboʊzmən/ BOHZ-mən) is a city in and the county seat of Gallatin County, Montana, United States. Located in southwest Montana, the 2020 census put Bozeman’s population at 53,293 making it the fourth-largest city in Montana. It is the principal city of the Bozeman, Montana, Micropolitan Statistical Area, consisting of all of Gallatin County with a population of 118,960. It is the fastest growing micropolitan statistical area in the United States in 2018, 2019 and 2020, as well as the second-largest of all Montana’s statistical areas.

From ACS to Altair: The Rise of the Hobby Computer (technichistory.com) A certain pattern of technological development recurred many times in the decades around the turn of the twentieth century: a scattered hobby community, tinkering with a new idea, develops it to the point where those hobbyists can sell it as a product. This sets off a frenzy of small entrepreneurial firms, competing to sell to other hobbyists and early adopters. Finally, a handful of firms grow to the point where they can drive down costs through economies of scale and put their smaller competitors out of business. Bicycles, automobiles, airplanes, and radio broadcasting all developed more or less in this way.