Colouring your artwork or painting on location is easy, anywhere and anytime, with the Koi® Colouring Brush pens. Koi is ideal for producing colourful illustrations, hand-lettering and watercolours. The Koi Colouring Brush Pens with a flexible brush tip are perfect for easy colouring and writing in a variety of vibrant colours.
Koi Colouring Brush Pens are a convenient way to add vibrant colour to any sketch, journal, cartoon, illustration, or rubber stamps. The 48 transparent ink colours blend easily to create a multitude of hues and effects. Use the colourless blender pen to create seamless washes and colour gradations.