This is extremely cool.
Rising and falling of the sun "at an effective 'shutter speed' of eight years - taken using a pinhole camera made from a drinks can and a sheet of photographic paper - may be the most extreme example of its type." via @NatGeo https://www.nationalgeographic.co.uk/photography/2020/12/longest-known-exposure-taken-by-makeshift-camera-forgotten-inside-uk-telescope
Something to try with the ‘Biggies’? Perhaps not quite such a long exposure though 😉
I guess some of them might not even have been born when the ‘shutter’ was opened.
I took a toy film camera in a couple of years ago. Was a good lesson, for me, on the rate of technology change.