Craft & Design Science
GITD Petri dish soaps from Cleaner Science
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I blogged Sara’s Petri-dish-culture-soaps back in March, and then again a couple of weeks ago when she started selling them through Makers Market. Now she’s just added a couple of awesome new versions with glow-in-the-dark colonies. You can get GITD green or GITD violet. They ship in a real Petri dish and will set you back nine bucks.

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I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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