This set includes Cotman watercolor half pans in lemon yellow hue, alizarin crimson, dioxazine violet, ultramarine, turquoise, viridian hue, sap green, yellow ochre, burnt sienna, Payne's gray, lamp black and Chinese white, as well as a mixing palette and a water brush pen. The water brush pen is ideal for adding controlled splashes of water and color to sketches and drawings, without interruption or hassle.