Secret Message – Sick Science #067


Learn more at Give that special someone a note that requires the heat of a romantic candle to decode the message. You won’t believe what the ink in this pen will do. Your message can appear or vanish on command… and most people don’t even know that the ink works this way.

Want more experiments like this? Check out

Sick Science™ is a trademark of Steve Spangler, inc.

© 2011 Steve Spangler Science all rights reserved

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