Note there are many informative and positive reviews for the 48 Pen set so do stop off over there to see what a high quality product Ohuhu is putting out there for your artistic enjoyment. Be sure to read how well these work and also search YouTube for reviews of these pens. I recently made a huge mistake buying a 50 Pen set from another vendor. The main difference between Ohuhu brush pens and the aforementioned is that the Ohuhu are definitely for the more serious amateur artist. Each Pen has a color name printed on the barrel. Now, unfortunately, the color names do not correspond to artist watercolor paints, say, a Pen color is just “Orange” vs. Cadmium Orange on a tube of watercolor paint. Still, this set of 36 for $20 has an excellent range of colors, good choices for nature artists as well as for coloring book aficionados. A little practice blending colors and you’ll have an impressive range of colors at your disposal. The 36 brush Pen set comes packaged in a sturdy storage envelope. This set includes a handy water brush pen and a small packet of watercolor paper. This makes this set a perfect gift!