Kai Koethe showed us wonderful way to make spinning UFO tops with flashing lights, along with a skookum spinner to get them going. From Lancaster Woodturners Coffee Hour for Dec 30, 2021. Coffee Hour is free and open to all woodturners at 10 am ET every Thursday morning message me if you'd like a link. Here's the link to Kai's 8-minute video clip:
View: https://youtu.be/8jZMSpKdrFA