The Mars Lumograph Aquarell pencil is a graphite pencil that reacts with water.
STAEDTLER Mars Lumograph Aquarell Pencils are premium quality with a special lead formulation.
They are also water soluble graphite pencils, which are great for shading and adding interest to sketching.
Break-resistant through special lead formulation and super-bonded lead, mixes with watercolour pencils and paint for effects.
Lead diameter 8B - 4.5mm