Where can you get one of those blue lights that makes highlighter show up in the dark? - blue flashlights
My friend wrote on his arm with a marker and then use a blue laser / flashlight and what seemed like a kind of invisible ink ...
Blue Flashlights Where Can You Get One Of Those Blue Lights That Makes Highlighter Show Up In The Dark?
1 comments:
You can buy bulbs in the home improvement stores, but I also saw at Walmart, etc.
Here is a link with a variety of different light bulbs and you can buy, decorations and posters, etc. to go with her:
http://www.blacklight.cc/
Hope this helps.
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