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Signing UpStep 1: Supplies and Materials
* Pen
* Exacto knife
* Labels (you can buy them from rite aid or some place like that, they are really cheap)
* Highlighter (make sure it can fit in the blow pen, sharpie highlighter accent ones do and make sure it glows under the black light, note: all yellow highlighters will glow under a black light)
* Blow Pen (you can find these at ac more if you can't find them then make one) http://www.instructables.com/id/Pocket-Graffiti-Pen/ (but remember to use a highlighter tip instead of a sharpie one!)










































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I don't think it's highly toxic,but my be a good idea to check.