GAN Lube I - Maintenance is a medium viscosity silicone lubricant intended to keep your puzzle moving smoothly over time. Just add a couple drops when you're puzzle feels like it is drying out and you're all set!
GAN Lube II - Accel is a very light, silicone based lubricant intended to give you puzzle a boost of speed. Just add a few drops to the mechanism, and you're off!
GAN Lube III - Mastery is a heavy silicone based lubricant intended for the hardware for maintenance and/or the pieces to give more control.