Anyone out there can you give any info on where I can purchase an on board camera in a van for my layout.
Tricky for N, but there certainly have been small cube cameras etc. sat on flat wagons. Either recording to micro SD card or even transmitting to a TV :)
I experimented with one a few years ago, it was ok but once you've seen one cab-ride aroiund your layout you've seen 'em all :)
A google search should find you some results. For example:
https://www.hookstonemodels.co.uk/n-gauge-cameras (https://www.hookstonemodels.co.uk/n-gauge-cameras)