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Dave writes in -

For my son’s 5th birthday, I decided to go a little nuts. 4 months and about $200.00 later I think I created something one of a kind.

I wanted a volcano that would do several things…

  • smoke
  • erupt with lava
  • vibrate
  • and finally, make volcano noises.

instructables : erupting volcano birthday cake – 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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