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Evil Mad Scientist Laboratories has a few interesting ideas for writing on candy hearts with a food coloring pen, along with how to toss the newly inscribed treats with trebuchets…

More:

  • The Perfect Ammunition for Valentine’s Day – Link.
  • Food colour markers – Link.
  • Food coloring pens – Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


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