Watchly Safety Review

MrBeast Pranked By Mark Rober At CrunchLabs

Mark Rober

1:00 · 68.3M views · April 1, 2024

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Minor FlagsReviewed June 2026

2Minor Flags

3No Issues

This short, lighthearted clip of MrBeast visiting Mark Rober's CrunchLabs is safe for most kids and doubles as a fun, curiosity-sparking peek at an inventor's workshop. The only mild flag is that the video is essentially a promotional showcase for CrunchLabs subscription boxes, so parents should be aware of the commercial angle woven into the fun.

Content Breakdown · 5 Categories

Realistic Violence, Threats & WeaponsNot present

A 'mega tennis ball cannon' and 'disc launcher' are mentioned in a clearly playful, demonstration context with no threatening framing; no realistic violence or weapons content is present.

See evidence (2)

“'I even let him shoot my mega tennis ball cannon — oh that was close'”

“'this is a disc launcher — oh wow I want to see if I can hit the camera'”

Hidden Advertising & Sponsored ContentA little

The video naturally promotes CrunchLabs subscription boxes ('instead of ordering one on our website like everybody else'), but this is transparently the creator's own product being showcased on their own channel, not a hidden or undisclosed sponsorship.

See evidence (2)

“'instead of ordering one on our website like everybody else he kind of just took that one'”

“'if you want a crunch left Box come here and steal it'”

Toxic Behavior ModelingNot present

MrBeast 'stealing' a CrunchLabs box is framed as a playful joke with the creator's clear consent and participation, not as a genuine glorification of theft.

See evidence (2)

“'instead of ordering one on our website like everybody else he kind of just took that one'”

“'if you want a crunch left Box come here and steal it that's the way to go'”

Low-Quality, Extreme & Stunt ContentNot present

While the video features a prank framing and novelty gadgets (tennis ball cannon, disc launcher), it does not rise to the level of shock-value stunt content or extreme challenge formatting.

See evidence (1)

“'I even let him shoot my mega tennis ball cannon — oh that was close'”

Playful & Fantasy ViolenceA little

The video features a disc launcher aimed at a camera and a 'mega tennis ball cannon' fired in a clearly playful, consequence-light context; this is low-level stylized play, not realistic violence.

See evidence (3)

“'I want to see if I can hit the camera'”

“'I even let him shoot my mega tennis ball cannon — oh that was close'”

“'don't worry he was mostly okay'”

What Parents Need to Know

This brief video features popular YouTubers MrBeast and Mark Rober goofing around at CrunchLabs, Mark Rober's STEM-focused toy and subscription box company. Kids will enjoy the playful energy and get a glimpse of cool gadgets like a disc launcher and a mega tennis ball cannon, which can genuinely spark interest in science and engineering. The main thing parents should know is that the video functions as light promotion for CrunchLabs products — the box, the website, and the toys are all mentioned directly. There is no inappropriate language, no real violence, and no concerning themes; the humor is gentle and the tone is positive throughout.

Talk to Your Kids About

1What was your favourite gadget or invention you saw in the video, and how do you think it works?
2Mark Rober is an engineer — what do you think engineers do, and does that seem like something you'd enjoy?
3At the end, MrBeast 'stole' the box as a joke — do you think that was really okay, or was it just funny because it was planned?
4The video showed off CrunchLabs boxes — how can you tell when a YouTube video is also trying to sell you something?

MrBeast Pranked By Mark Rober At CrunchLabs

Protected Viewing

What's This Video About?

Big thanks to ⁠@MrBeast for visiting CrunchLabs and stealing my boxes!

Frequently Asked Questions

What age is this video appropriate for?

This video is suitable for children aged 5 and up. The content is playful and positive with no language, violence, or themes that would concern parents of young children.

Is there any dangerous or violent content in this video?

There is no meaningful violence. A disc launcher and tennis ball cannon are shown in a clearly playful, comedic context, and the video itself notes that MrBeast was 'mostly okay' as a joke. Nothing shown could be considered harmful or scary for kids.

Is this video secretly an advertisement for CrunchLabs?

Effectively, yes — the video showcases CrunchLabs' facility and products, and directly mentions their website and subscription boxes. It's worth having a quick conversation with your child about how YouTube videos can sometimes be promotional content in disguise.

Are MrBeast and Mark Rober appropriate role models for kids?

Both creators are generally considered family-friendly and are known for positive, high-energy content. Mark Rober in particular is well regarded for making science and engineering exciting for young audiences.

Does the video contain any bad language or adult humour?

No, there is no bad language, crude humour, or adult references of any kind in this video. The tone is light, enthusiastic, and suitable for a wide age range.

Will my child want to buy something after watching this?

Possibly — the CrunchLabs subscription box is shown and mentioned directly, which may prompt curiosity or requests. It's a good opportunity to talk about advertising and how to think critically about products seen in videos.