Finally, a way to display Lithophanes & light it at the same time.

An LED strip and a battery mount, a little solder, and a display that doesn't have to be plugged in.

The electronics displayed are here:

https://kjdelectronics.com/collections/adafruit/products/adafruit-white-led-backlight-module-medium-23mm-x-75mm?variant=29778537416

https://www.amazon.com/AuBreey-Arduino-LilyPad-Battery-Holder/dp/B072DWDTQ9/ref=sr_1_7?dchild=1&keywords=watch+battery+mount+CR2032+Battery&qid=1600650946&sr=8-7