The first time I made this, I went wild and added a lot of food coloring! It looked great, but lasted on our driveway almost the entire summer!! This time, the paint lasted 2 weeks and then the rain washed it away. We used it to make a semi-permanent four square court and bases for kickball. It needs to be repainted now, but they loved not making the lines each time. Basic Directions: Mix cornstarch and cold water together in a small plastic bowl. Add food coloring and … [Read more...]