3. We used a basic four-pack of food coloring with red, blue, yellow, and green, and then combined red and yellow for the orange color, and blue and red to create the purple paint. 4. This 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 ...