[header] How to use watercolor pencils [title] Use watercolor paper or heavy board to draw on. [step] Because watercolor pencils eventually require the application of water, you'll want to draw on material thick enough that it won't tear. Watercolor paper or heavy board are great choices. 
[substeps] If you prefer a smoother surface than watercolor paper has, you can draw on illustration boards. They are thick enough to handle the application of water, but are much smoother than watercolor paper.