Buy the Faber-Castell Polychromos Mixed Media 26-Piece Set at Michaels.com. The Polychromos color pencil makes an elegant team with the Castell 9000 Graphite Pencil in this gift set. The thick 3.8 mm color pencils contain high-quality, acid-free pigments for unsurpassed lightfastness with soft, vibrant color laydown. The graphite pencils are of superior quality in 2H, HB, 2B and 8B for artistic work, demanding studies and sketches.