Tried something different so invented whole turned bottle, with two separate compartments for two different alcohols.
It have plugs from 2100 yrs old subfossil oak, used as a drinking cups.
Four RGB LEDS changing colors, included with switch between battery power 3xAAA and USB-C cable power.
Whole video HOW TO make it (8mins):
https://youtu.be/-DRG65DsYOU
Preview of the result (1min):
https://youtu.be/n9a97faIokg
https://vavrena.eu/gallery/ My web page with other my creations: wooden/epoxy/bronze pens, bronze casting, epoxy table, 3D CAD and 3D printing etc etc