Add a drop or two of food coloring to each cup and mix using a spoon. Set out some scrap newspaper into the table and place the white card stock on top. Use a brush to dip and begin to paint.

1. Carefully pour some milk in a dish so it just covers the bottom. 2. Gently add one or two drops of red, blue, and yellow food coloring to the same spot in the center of the milk. 3. Dip a cotton ...