Soft oil pastels, for school and home can be excellently combined in techniques with gouache, water colour and in the so-called ‘repelling technique’ with Ecoline Suitable for various grounds such as paper, board, wood, drawing foil, cellophane, unglazed earthenware, fabrics and stone Use Wasco Opaque black for the popular graffito technique (scratching) Available in 3 selection sets.