Raising Is Mark Rober good for kids? What parents of kids 4–7 should know
Is Mark Rober good for kids? The YouTube channel has no official age rating; its Netflix series, Mark Rober's CrunchLabs, is rated TV-PG on the US listing, and Common Sense Media rates the channel 8+. Comments were open on the three most recent videos we checked on October 23, 2026, so those videos aren't marked made for kids. Common Sense Media notes mild profanity, paid sponsor segments, and stunts with explosions and sharks. The channel also promotes CrunchLabs, a monthly build-kit subscription.
Mark Rober at a glance
- –Official rating above age 7
Netflix series: TV-PG - ✓Contact with other players or strangers
YouTube: comments open on recent videos - –Purchases with real money
Channel membership not confirmed - –Paid random items
No blind boxes; CrunchLabs boxes aren't random - –Violence or scary content in rating descriptors
Netflix TV-PG descriptors: Not confirmed - –Government lawsuits, fines, or safety warnings
None found
Each flag is a yes-or-no fact from the sources on this page. The number is a count of flags, not a safety score. How we count.
| Type | US YouTube channel of engineering builds and science stunts by a former NASA engineer |
|---|---|
| Channel | 84.4 million subscribers and 273 videos as of October 23, 2026 source |
| Mark Rober's CrunchLabs (Netflix) | TV-PG (parental guidance suggested) on the US listing as indexed by search; other regions show Netflix's own 7+ label; Common Sense Media rates the channel 8+ source |
| Comments | Open on the 3 most recent videos we checked; one had about 10,000 comments (October 23, 2026) source |
| CrunchLabs | Subscription build kits: Creative Kit ages 6–10, Build Box ages 8–13, Hack Pack ages 14 and up source |
| YouTube accounts | A Google account requires age 13 in the US, unless a parent manages it source |
Checked October 2026. Ratings and settings change; check the official source before you decide. What do these ratings mean?
Facts for parents, not medical or legal advice. If you're worried about your child, talk to your pediatrician.
Who is Mark Rober?
Short answer: A former NASA engineer who makes engineering and science videos on YouTube.
Per his channel, he worked at NASA's Jet Propulsion Laboratory for nine years, seven of them on the Curiosity rover, then at Apple, and in 2022 founded CrunchLabs, which sends monthly build kits. He has posted videos since 2011, per Wikipedia, and ran the Team Seas and Team Water fundraisers with MrBeast. As of October 23, 2026, the channel showed 84.4 million subscribers and 273 videos. Recent titles: "Last Cheater Standing Wins $10,000" and "I Outsmarted Pro Car Thieves."
Is Mark Rober good for kids? The facts
Short answer: The channel has no official rating; its Netflix series is TV-PG, and Common Sense Media says 8+.
- Netflix: Mark Rober's CrunchLabs is TV-PG on the US listing as indexed by search; pages in other regions show 7+. Camp CrunchLabs (June 2026) is also TV-PG, per What's on Netflix.
- Comments: open on all 3 recent videos we checked. YouTube turns comments off on videos marked made for kids (YouTube Help).
- Common Sense Media: 8+; mild profanity such as "damn" and "freaking," sponsor segments, and stunts with sharks and explosions.
CrunchLabs boxes and the Netflix shows
CrunchLabs sells three subscriptions, per its website: a Creative Kit for ages 6–10, a Build Box for ages 8–13, and a Hack Pack for ages 14 and up. Each box holds a toy to build, and the videos often show it. The Netflix series Mark Rober's CrunchLabs premiered on November 19, 2025, and had four seasons by May 2026, with more since, per What's on Netflix. We couldn't confirm current CrunchLabs prices.
The habit kids may copy: try it, fail, fix it
Build videos show a design that doesn't work at first, then a change, then another test.
Try tonight: build, test, change one thing
Build a paper airplane together and fly it. Then ask: "What's one thing we could change to make it go farther?" Fold a new one with that change and fly both. In our program, this is the lesson "Plan B": if one way doesn't work, try another.
Why you can trust this page: the main facts link to their sources, a separate reviewer checks each page before it goes live, and the date shows when we last checked. How we review · Report an error
FAQ
What age is Mark Rober for?
The YouTube channel has no official age rating. His Netflix series is TV-PG on the US listing, and Common Sense Media rates the channel 8+.
Is Mark Rober's CrunchLabs on Netflix?
Yes. Mark Rober's CrunchLabs premiered on Netflix on November 19, 2025, and Camp CrunchLabs followed on June 8, 2026, per What's on Netflix.
Are comments open on Mark Rober videos?
Yes, on all three recent videos we checked on October 23, 2026.
What age is the CrunchLabs Build Box for?
CrunchLabs lists the Build Box for ages 8–13 and the Creative Kit for ages 6–10.
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