In the past few years, we have covered plenty of awesome plasma lamp. The Phantom Dynamics Crackle Tube is also worth a look. It can display plenty of amazing electrical crackle effects. This 6″ x 48” Plasma Tube features adjustable effects and a single electrode design. These can be made in a wide variety of colors.
More gadgets like this: here
These guys make smaller versions of these crackle tubes too. You can choose your favorite gas color before ordering.
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