[Jay]’s version is a thin chamber made of two pieces of solvent-welded acrylic and filled with water. A bolt between the acrylic panes conducts current from a Tesla coil – perhaps this one ...
Acrylic paint is well-suited for detail, and is easy to use. Depending on the technique used by the artist, acrylic can produce results that are like oil or watercolour. Acrylics are water-based ...