Tombow - Illustration SetTombow illustration set includes all the tools you need to create pen & ink drawings, sketches and illustrations. Contains instructional guide with helpful tips on basic drawing techniques, layering, value and composition. Features abt pro alcohol based dual tipped art marker with flexible brush tip and firm chisel tip in one. Set includes three abt pro art markers, two mono drawing pens, fudenosuke brush pen, mono twin permanent marker, mono drawing