16 Materials for artists, namely, pens, pencils, charcoal pencils, markers, drawing chalk, erasers, paintbrushes, stencils; stationery, drawing pads, drawing paper, and cardboard for drawing; ink for pens, india ink, easels, canvas for painting, tracing papers, materials and instruments for modeling, namely, modeling clay; printed books and manuals in the field of painting and drawing, printed guides and books on painting and drawing, advice and recipes for painting and drawing; paper bags