ÖkoNorm (or 'Oekonorm') is a German brand producing eco-friendly, high-quality art and craft supplies, with as little as possible impact on the environment. Shop Nawaro finger paints and wax crayons: organic, biodegradable and compostable, with colours from natural plant extracts and food colourants;  and ÖkoNorm modelling play dough made from non-toxic, sustainable ingredients.