Sold as 1 Each. brush pens provide a variety of colors to choose from when creating your next creation. These pens allow you to easily add color to your paintings with precision, and they’re mess-and easy to clean up. Includes 21 colors of brush pens and 3 water blending brushes. Art 101 pens have the versatility of traditional packed into an easy-to-use pen. Use with the water blending brush to create soft effects, or use without water for more saturated colors.