Derwent Academy Markers are water-based, giving you maximum control for fine line drawings or beautiful washes of colour for wet media techniques. Explore a wide range of techniques such as stippling, crosshatch, layering, and blending. Apply light colours to your paper first to avoid dark ink transfer to the tips of other markers. Only apply as much pressure as you need to avoid damaging the tip of your marker. 20 water-based colours. Vibrant, colourful markers contain water-based inks that can be used with water-wash techniques to create a broad range of drawing styles. Suitable for use as dry or wet drawing area.