YouTube Star Simone Giertz Shows Off Brain Tumor Surgery Scar

July 19, 2018

YouTube star Simone Giertz is back in her workshop after having surgery to remove a brain tumor. Simone is known for creating crazy machines that don't always work the way they're supposed to. She hasn't posted a video on her page, which has more than a million subscribers, since last month, before she went under the knife. She says she's been concentrating on her recovery, which hasn't always been pretty.'s Mara Montalbano ( has more.

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