MARTIN/F. WEBER-John Gnagy Art Studio Set. Quality art materials and instructions combine to teach a variety of media in this set from John Gnagy. This set contains John Gnagy Instruction Books; sixteen watercolors; twelve oil pastels; three drawing pencils; three sketching chalks; sketching paper; sharpener; one kneaded eraser; one blending stump; one sandpaper pad; and one watercolor brush. Conforms to ASTM D4236. Imported.