I mean, if you think you can do it for $100k, I would say that it should be possible to apply for (and get) an outreach grant and build it (probably better to t

I mean, if you think you can do it for $100k, I would say that it should be possible to apply for (and get) an outreach grant and build it (probably better to try in the EU, given the current cuts to science in the US). Or maybe contact one of the major missions and show a plan of how you'd do it?