KidWatch › Channel Safety › simonegiertz
She's genuinely fun and creative, but the casual swearing and adult humor make this one better suited for teens than younger kids.
Best for ages 14+
Simone Giertz is a Swedish inventor and YouTuber known for building weird, often impractical contraptions and documenting ambitious DIY projects with a lot of heart and humor. Her channel has a real maker-culture vibe. She's curious, self-deprecating, and genuinely enthusiastic about science and engineering. It's the kind of content that can actually inspire kids to want to build things.
Score Breakdown
KidWatch Assessment
Simone Giertz is a Swedish inventor and YouTuber known for building weird, often impractical contraptions and documenting ambitious DIY projects with a lot of heart and humor. Her channel has a real maker-culture vibe. She's curious, self-deprecating, and genuinely enthusiastic about science and engineering. It's the kind of content that can actually inspire kids to want to build things.
That said, her humor skews adult pretty regularly. She swears casually and often, drops occasional political commentary, and makes offhand jokes that fly right over younger kids' heads but land squarely in 'awkward conversation with your 10-year-old' territory. It's never mean-spirited, but it's definitely not sanitized.
She also casually mentions having had a brain tumor, which comes up matter-of-factly rather than dramatically. For the right age group, that kind of honesty is actually refreshing. She's a solid role model in terms of persistence and creativity. Just not a channel you'd hand to an eight-year-old without some heads-up.
Flagged Moments from Top Videos
Multiple instances of casual profanity scattered throughout, including 'fucking' used conversationally. Not aggressive, but frequent enough that it's a pattern, not a slip.
A brief, offhand joke referencing female anatomy ('makes my fifi hurt') and a quip about opting out of reality during a politically charged period. Mild on its own, but typical of the adult humor layered throughout her content.
Simone casually mentions having had a brain tumor mid-sentence as context for a project delay. It's handled matter-of-factly rather than dramatized, but it could prompt unexpected conversations with younger viewers.
She jokes about needing to haul 'lumber and dead bodies,' which is throwaway dark humor but might land oddly depending on the kid listening.
Casual swearing appears again in this video, consistent with her overall pattern. Nothing intense, but steady enough that parents of younger kids should know it's a channel-wide habit, not an outlier.
Brief profanity when describing project complexity, consistent with the rest of the channel. The project itself involves burning a large quantity of matches, which could inspire unsafe imitation in younger viewers without supervision.
What Parents Should Know
Expect swearing in pretty much every video. It's casual and not angry, but it's consistent, so go in knowing that's just how she talks.
Watch a video together with your teenager first. Her projects are genuinely inspiring and the conversations about persistence and making things yourself are worth having.
Skip this channel for kids under 12 or 13. The humor isn't graphic, but it assumes an older audience and some of the jokes will either confuse younger kids or need explaining.
Use her project videos as a jumping-off point if you've got a kid interested in engineering or making things. The creativity here is real and the problem-solving she models is genuinely good.
Be ready for the brain tumor mention if your kid watches the Tesla truck content. She's open about it in a healthy way, but it comes up without warning and might prompt questions.
Check for sponsored segments in longer project videos. She does include brand integrations occasionally, and while they're clearly labeled, it's worth pointing that out to kids who might not recognize the format.
Recommended for ages 14+.
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