Black Glue + Water Color We combined a few of our favorite things: black glue, stamping, and watercolor for this simple project. The glue-paint gives your water color a little border that reins in the puddles of color. The DIY paper tube stamp makes for a stamper that even your littles can grasp. We stamped around 8 sheets of watercolor paper for this project in one sitting. Once the paint is dry fill with watercolors. Black glue: add a few squirts of paint (any type wi