or all of the following you will need a UV black light. These lights have lots of applications in the sfx and lighting industry, but are also great for your social gatherings. The following will not work without one. You can find many different types of UV black lights online from ones that simply fit into your original light fitting too standalone units that plug into the wall.
Each Tuesday is EducationTuesday here at Adafruit! Be sure to check out our posts about educators and all things STEM. Adafruit supports our educators and loves to spread the good word about educational STEM innovations!