@CrunchLabs · 2.7M subscribers · Graded May 12, 2026 · Based on 100 recent videos
I would let my child aged 8 or older watch this channel, especially if they are interested in science and building, but I would discuss the commercial aspects and encourage active engagement with the concepts presented.
Best for ages 8-14 years. Not recommended under age 7. Acceptable for 7-16 years.
The scientific concepts and engineering challenges are best understood by children with developing abstract reasoning skills.
| Dimension | Score | Headline |
|---|---|---|
| Content Appropriateness | 23/25 | Content is generally safe, focusing on science with minimal concerns. |
| Shorts & Dopamine Factor | 10/25 | High percentage of Shorts may encourage quick, less focused viewing habits. |
| Age Clarity | 18/25 | Targets a broad STEM-curious audience, primarily older children and teens. |
| Educational Value | 24/25 | Strong educational focus on science, engineering, and problem-solving. |
Content is generally safe, focusing on science with minimal concerns.
The channel avoids violence, sexual content, or scary imagery. Videos like 'Pranking The Most Popular Chef On YouTube' are lighthearted, and while 'How To Turn Fire Into A Tornado' involves fire, it's a demonstration, not an instruction for unsupervised activity.
High percentage of Shorts may encourage quick, less focused viewing habits.
With 61% of recent uploads being Shorts, the channel leans heavily into short-form content. This format can contribute to a preference for rapid content consumption over sustained attention to longer, more detailed explanations.
Targets a broad STEM-curious audience, primarily older children and teens.
The scientific concepts and engineering challenges are best suited for children aged 8 and up. While a video like 'Cookie Monster Visits CrunchLabs!' might appeal to younger viewers, the overall content complexity and humor style are geared towards a middle school audience.
Strong educational focus on science, engineering, and problem-solving.
The channel consistently explains scientific principles, as seen in 'Revealing 5 Secret Magic Tricks With Science 2.0,' and demonstrates practical engineering through projects like 'Build Your Own Dream Treehouse w/Salish Matter.' It actively fosters curiosity and an understanding of STEM concepts.
This channel, hosted by former NASA engineer Mark Rober, presents science and engineering experiments, problem-solving, and scientific explanations in an engaging format. It often features elaborate builds and demonstrations of physical principles.
The channel serves as a significant promotional platform for Mark Rober's CrunchLabs subscription boxes, which are hands-on STEM kits. While the videos offer educational content, the frequent product placement is a consistent element of the viewing experience.
I would let my child aged 8 or older watch this channel, especially if they are interested in science and building, but I would discuss the commercial aspects and encourage active engagement with the concepts presented.
Discuss the science behind the experiments shown and encourage hands-on activities rather than just passive viewing of the demonstrations.
Revealing 5 Secret Magic Tricks With Science 2.0
— Positive
This video exemplifies the channel's core educational value by explaining scientific principles behind common illusions.
How To Turn Fire Into A Tornado
— Concern
While a scientific demonstration, this video involves fire and should serve as a reminder for parents to emphasize that such experiments require strict adult supervision and safety precautions if attempted.
Build Your Own Dream Treehouse w/Salish Matter
— Positive
This video showcases practical engineering and collaborative problem-solving, providing a good example of applied STEM learning.
Apply to enroll at my new school! - Principal Mark Rober
— Neutral
This short is a direct advertisement for a separate Netflix show, highlighting the channel's commercial nature and its role in promoting other ventures.
Hidden Secret On Every $20 Bill!
— Neutral
This short is a quick, curiosity-driven piece that demonstrates the channel's ability to engage viewers with simple, intriguing facts, often leading to a scientific explanation.
VidCove's Channel Safety Grader analyzes the 100 most recent videos on CrunchLabs using Google Gemini, scoring four independent dimensions on a 0–25 scale:
CrunchLabs's Shorts ratio in this sample is 61% — roughly 61 of the 100 videos sampled were Shorts. Reports are regenerated when channel content changes materially or after 180 days have passed.
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