A pie plate, a small bowl, or something similar
OPTIONAL: We used a cookie sheet under the bowl for all the "runaway" bubbles!
>> Read more about our uses for cookie sheets here
Combine the food coloring, water, and dish soup in the bowl. It only takes a couple drops of dish soap to make some really great bubbles. The amount of food coloring you use will determine how dark or light your print is.
Blow bubbles using a straw. Our young artists/scientist really liked blowing the bubbles until they overflow the sides of the bowl (hence the cookie sheet).
Press the paper on top of the bubble-bowl. Voila!