First of all, I teach science and was playing around with making different types of slime. I added zinc oxide, highlighter ink, and gloaway paint. Each one of these ingredients gives a different level of "glowing-in-the-dark". It's a polymer, so all the water gets locked inside for an easy clean up. You can even put it on your Joes! Take a look in the how-to to make your own. After I made the slime, I thought how awesome it would be in a toxic waste dump. Even better, a radioactive lab under Cobra Mountain. Here's what progressed: