This kit includes Eight 5 oz (14 g) jars of colored powders; one 1 lb (0.45 kg) jar of black powder; 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 Gel, and TipSheet 4: Designing Your Own Art Glass.