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FREE: magic disappearing ink

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Description

The listing, magic disappearing ink has ended.

great for pranking people.
Net:1 Fl.oz.

Questions & Comments

I can answer you desiremcgee - it goes on blue and fades away. It works because the blue chemical inside is an acid-base indicator that when exposed to air, absorbs the CO2 in the air (making it acidic - carbonic acid) and changing the blue indicator to colorless.

Jan 28th, 2014 at 9:59:00 PM PST by

magic disappearing ink is in the Toys & Hobbies | Other Toys & Hobbies category