If you’re missing any colours you can buy them separately here: Stylefile Marker Classic

sized to sit comfortably in a pencil case while still being substantial enough to clear wider pencil guidelines or shading

without ghosting or pilling the paper

This 6-pack ink cartridge refill holds six cartridges of a single color for the Pilot Parallel Calligraphy Pen series

Originally designed for warehouse labeling

talens ecoline liquid water colour 30 ml Ecoline Brush Pen Colors:728 Warm Grey Light If you’re missing any coloursLiquid watercolor which can be used with brushes, as refill in Talens Ecoline brush pens or with airbrush. Ecolines liquid watercolor is found in a range in a total of 60 colors.