Derwent inktense blocks set of 24these chunky water soluble ink blocks make vibrant strokes of ink like colour use the flat edge to lay down sweeps of colour or use the sharper edge for more detail then apply a wet brush watch the colours come alive and behave like inks dry derwent inktense delivers pure vibrant colour but when completely washed out its transformed into a translucent ink like paint which when dry can be worked over perfect for large expressive pieces splashes and loose