"FlickerFlame" - crafted with 50 flicker flame bulbs
Flicker flame bulbs contain two metal plates cut into the shape of a flame,
and placed close together in a bulb filled with neon gas.
The glass envelope of the bulb may also be flame-shaped.
The lamp lights with a characteristic orange neon glow,
with the light dancing on the surface of the plates.
(explanation from answers.google.com)