My Bluetooth audio steamer prototype.
The box is bit awkward sized but it will do until I build a better resolved design. The magic eye valves are a bit of fun 
As a new user I can’t put more image media up here yet …
Shane
Some more details …
I like the perforated steel for the base. It adds weight and makes it easier to mount the PCBs flexibly. If there was any heat problems then the it will help with that too.
How about more info on magic-eye circuitry
Sure - the boards are 5 VDC powered with an audio input that drives the phosphoresce display. The circuitry has an onboard DC-DC step-up converted to get the high voltage necessary to drive the tube.
You can purchase the boards from Amazon: