Kit Car Electronics and Essex AO posted a topic in Parts for Sale
I have a pre-assembled BlinkStop v1.1 for sale - £55 delivered UK mainland.
http://www.blinkstop.co.uk/blinkstop.html
I've just updated the design for v2.0 to include more idiot-proofing (the units I'm currently supplying as pre-assembled), but functionally they are the same and this one is identical to the self-assembly kit (just soldered already by me):