This set of 8 colors belongs to AK Interactive's new AIR SERIES range. This particular set has been designed and formulated to paint British planes in WWII. This paint set is the second in a growing series of aircraft specific color sets. These colors have been carefully studied by historians and formulated to represent the exact colors the British used on their aircraft during WWII. Each box contains paint references for different models. These acrylic paints can be used with both brush and airbrush, and are supplied in 17ml dropper bottles. They are water soluble which prevents odors and the need for aggressive thinners.