Making splashing water appear; dark colors that make the light colors work.
How to get equipment out and back without putting anything down for extreme portability; handling human intrusion; cleaning the paints, the set and the lid.
Controlling the lights and darks of the water soluble line; when and how to add water to get the desired
What gouache is, how to use it and why it is difficult to use in the field with transparent watercolor.
An efficient way to draw with the "mess" in the lid of a paint set.
Creating the appearance of bunches of flowers as they appear outdoors.
Staying focused while distracted; how to use the equipment outdoors; making adjustments while sketching; choosing and isolating a focal point.