|Rainbow Smoke Crystal|
The Rainbow Smoke Crystal creates an interesting multi-colored smoke effect. Piper uses a few for her performance in the episode "Terra Neon". When every booed at her magic performance she said "Hey! Let's see you do better with a couple of Rainbow Smokers!"
The Rainbow Smoke Crystal is a crystal with a wavey shape to it. It also has a casing shaped like a crown around the middle and as the name states it is multi-coloured like a rainbow.