Test Tubes Cartoons

Suspicious material.

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Suspicious material.

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Suspicious material.

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Mad scientists.

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'Why aren't we using the test tubes that don't look like coffee mugs?!'

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Burp!

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Scientist to other: 'That's the saddest hypothesis I've ever heard!'

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Concerned & Unconcerned Scientists.

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'Hey, you, the geek with the Coke bottle glasses and a fat nose ... 'Obnoxious Fumes.'

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More cartoons with the keyword 'test tubes' >>





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