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Saturday 11 November 2017 at 17:10
I have this now listed in my pinside shop: https://pinside.com/pinball/market/shops/1025-professor-pinball/01376-pinduino-bop-helmetlighting-kit
Also, I wrote up instructions for building/installing: https://docs.google.com/document/d/1kTpFVe-YBrWfoj62PlGlrLQYIF78DTn__jdQGrwmKTk/edit
Source: http://pinside.com/pinball/forum/topic/bop-20-owners-club-members-only/page/47#post-4068836