Greg has taught a handful of classes that utilize the different Brain Waves.
Previous Class: Brainwaves for Psychological Healing – Plant Prana Essential Oils (plantpranaoils.com) has all the Brain Wave Oils in the kit.
Previous Class: Working Brain Waves For Materialization – Plant Prana Essential Oils (plantpranaoils.com) does not include the Brain Wave Oils but if you have them you can utilize them.
These are definitely some of my favorite oils to work with throughout the week.
Alpha
Beta
Delta
Theta
Gamma
We also have them available in 5ml kit: Kit; Brain Waves – Plant Prana Essential Oils (plantpranaoils.com)