They’re adorable, and so cool! The spark tubes are pretty small and not the brightest, but they’re easily visible in the dark. I’d say it looks more like an emissive object than a glowing object. Green and blue are definitely the brightest, but they’re all plenty visible, even red and purple.
Pic includes the normal fob, you can see it’s much brighter, but just to find things easily on the dark there isn’t a huge difference imo.
I love these little things, I’ll probably end up buying way mor...