Nine 1 lb jars of colored powders, three jars of clear frits in fine, medium and coarse grains and an assortment of colored stringers are the basics. Four stencils, two powder sifters, a frit sifter, sgraffito tool, GlasTac and our “TipSheet 4: Designing Your Own Art Glass,” and you’re on your way to kilnforming with a fresh and flexible touch. (Order sheet glass blanks separately).