A very unusual way to flash a neon lamp using sunscreen.
Aerolux lamps: https://en.wikipedia.org/wiki/Aerolux_Light_Corporation
Good selection of gear motors at Jameco: https://www.jameco.com/shop/keyword=12Vdc-Gear-Motor
Awesome Keithly SourceMeter: https://www.tek.com/keithley-source-measure-units/keithley-smu-2400-series-sourcemeter
This video is a freebie for Patreon supporters, and I will donate any awards to a STEM education charity.