What I did was stack up some boxes so I could have the glass ball touching the mirror and then manually adjusted the focus with the lights of the bathroom on. Set my shutter speed to be open for 8 seconds (it appears this camera opens the shutter 2 times, once every 4 seconds? Cause there's a click noise and if I take my hand away at that click it doesn't show any light trail being removed. But that's irrelevant to you)

Once the camera and glass ball are set up I slipped some LED'S onto a watch battery. Turned the lights off, pressed the shutter button on the camera and then waved the LED'S around, sometimes behind, sometimes infront of the lens.

I was shocked at how dead simple it was and how good the results were for an "I wonder if this will even work" experiment 😁