Watchly Safety Review

You've Never Seen A Wheelchair Like This

Mark Rober

16:49 · 69.0M views · March 23, 2024

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Minor FlagsReviewed June 2026

3Minor Flags

4No Issues

This video is genuinely safe and uplifting for kids of almost any age, built around a heartwarming story of resilience, engineering creativity, and inclusion. The only minor caveat is a brief sponsored segment for CrunchLabs woven naturally into the narrative, and a single low-brow fart-sound joke that the creator himself immediately calls out as poor taste.

Content Breakdown · 7 Categories

Strong & Crude LanguageA little

The transcript contains minimal crude language, limited to a single mild reference to flatulence ('like somebody passed gas') and a sound effect described as a 'fart speaker,' both treated as low-brow humor and briefly acknowledged as such by the host.

See evidence (3)

“'Like somebody passed gas?' — discussing wheelchair horn options”

“'Awww that's low-brow. Sorry. That should not be on there.' — host reacting to fart sound on the soundboard”

“Reference to a 'fart speaker' as one of the 'ridiculous modifications'”

Hidden Advertising & Sponsored ContentNot present

The CrunchLabs sponsorship is transparently and repeatedly disclosed throughout the video and in the description, and the Thunder Laser shout-out is also openly credited; no hidden or undisclosed advertising is present.

See evidence (3)

“'I started a company called CrunchLabs' — explicit disclosure”

“'Shout out to Thunder Laser for sending us an amazing laser cutter' — disclosed in description”

“Multiple on-screen CrunchLabs promotional segments clearly framed as such”

Materialism & Wealth FlexingNot present

Gambling Mechanics in GamesA little

The CrunchLabs subscription promotion mentions a 'platinum ticket' randomly inserted into one box per month, which is a variable-reward mechanic similar to a lottery; however, it is framed as a bonus prize within a paid educational subscription rather than a gambling product.

See evidence (1)

“'each month we randomly select one box to slip in a platinum ticket. And if it happens to be your box, then you're coming out right here to CrunchLabs to design with me' — random reward mechanic within subscription”

Parasocial & Emotional ManipulationNot present

Sexual Education & Reproductive HealthNot present

The video briefly and clinically mentions that Cash's mother received a prenatal ultrasound and was told about his spina bifida diagnosis, including a statistic about pregnancy termination rates; this is factual medical context, not sex education content, but is noted for completeness.

See evidence (2)

“'Cash's story begins when his parents went in to get a routine pregnancy ultrasound and were told his spinal cord would never develop properly because he had a condition called spina bifida'”

“'doctors said that 75% of the time pregnancies like these were terminated' — brief, factual prenatal context”

Playful & Fantasy ViolenceA little

The video features multiple Nerf gun battles and a custom Nerf turret ('Cash Cannon') used in clearly playful, consequence-free contexts; this is stylized toy combat with no realistic harm framing.

See evidence (5)

“'I think it'd be fun if we had a Nerf battle'”

“'Battle mode... the green button declares war'”

“'Starting line up for the Battle: Daddy Me And Mark Rober!'”

“'the Cash Cannon... giving him the ability to remotely aim... terrorizing Mark Rober real time with an overclocked Nerf cannon'”

“'And how about a round of Nerf guns? This is what you do for ten out of ten?'”

What Parents Need to Know

This video follows Mark Rober as he builds a custom dream wheelchair for Cash, a boy with spina bifida, and surprises him with tickets to a Warriors game. It's packed with genuinely positive messages about resilience, persisting through failure, and the power of engineering to improve lives. Kids will also learn a little about spina bifida and disability in a matter-of-fact, empowering way. The video includes a Nerf gun battle (purely playful) and a brief fart-sound joke that the creator immediately dismisses as 'low-brow.' There is an integrated promotion for CrunchLabs, Mark Rober's subscription toy box service, which is woven into the story rather than clearly separated as an ad — parents should be aware their child may ask to subscribe. Overall, this is one of the more wholesome and emotionally enriching videos available on YouTube.

Talk to Your Kids About

1Cash's dad says their family motto is 'My resilience is greater than my resistance.' What do you think that means, and can you think of a time you showed resilience?
2Mark Rober talks about thinking like an engineer — breaking big problems into smaller steps. Can you think of something hard you're working on and break it into steps?
3Cash has spina bifida, which means his spine didn't develop the same way as most people's. How did the engineers make a wheelchair that helped him do more things he loves?
4Mark Rober disguised himself as 'Roger' to keep the surprise secret. Why do you think keeping the surprise was important, and how do you think Cash felt during the reveal?

You've Never Seen A Wheelchair Like This

Protected Viewing

What's This Video About?

If any of you hack the Cash Cannon I’m gonna be ticked. Have fun learning to be resilient with CrunchLabs and get 2 FREE boxes at https://crunchlabs.com/cashcab Go follow Cash and his family @chase_cashman13 TikTok: https://www.tiktok.com/@chase_cashman IG: https://www.instagram.com/bubba_cashman13 I started a company called CrunchLabs, where we build a toy together, and then I teach you all the juicy physics of how it works. So if you want to learn to think like an engineer and have a really fun time doing it, check out the current promotion where you get 2 FREE boxes at https://crunchlabs.com/cashcab Shout out to Thunder Laser for sending us an amazing laser cutter that makes prototyping our builds possiblehttps://www.thunderlaserusa.com/ Thank you to Gem Beauty Studio for transforming me into my wheelchair-expert alternate self! https://www.instagram.com/gembeauty_studio/ Thanks to these folks for providing some of the music in the video: Ponder - @Pondermusic Laura Shigihara - @supershigi Andrew Applepie - https://soundcloud.com/andrewapplepie Blue Wednesday - https://soundcloud.com/bluewednesday Gabriel Albuquerque - https://open.spotify.com/artist/2oA6iL2R3RUkHcmnC091P0?si=dl6CiFfgRp2SFJnLw2xXmA Danijel Zambo - https://open.spotify.com/intl-de/artist/1ZD9ri2wmZZPL4qs92sXZX?si=iI7jkn-qSY-6NKo931314Q NO PURCHASE NECESSARY. Promotion starts on 1/1/2024 & ends on 12/31/24, subject to monthly entry deadlines. Open to legal residents of the 50 U.S. & D.C., 18+. 1 prize per month: each month is its own separate promotion. For the first 2-3 months, winner may be notified via phone call instead of winning game piece. If a monthly prize is unclaimed/forfeited, it will be awarded via 2nd chance drawing. See Official Rules at crunchlabs.com/sweepstakes for full details on eligibility requirements, how to enter, free method of entry, prize claim procedure, prize description and limitations. Void where prohibited.

Frequently Asked Questions

What age is this video appropriate for?

This video is appropriate for children aged 5 and up. The content is overwhelmingly positive, the Nerf battle is purely playful, and the single crude joke (a fart sound) is immediately called out by the creator — making it suitable for most young children with minimal concerns.

Is there anything inappropriate or scary in this video?

There is virtually nothing concerning in this video. A fart-sound button is briefly activated and the creator immediately says 'that's low-brow, sorry, that should not be on there.' There is a lighthearted Nerf gun battle with no realistic violence whatsoever.

Does this video contain advertising or sponsored content?

Yes — the video is produced by Mark Rober and includes a clear promotion for his CrunchLabs subscription toy box service. The promotion is woven into the story rather than labeled as a separate ad, so children (and parents) may not immediately recognize it as advertising. It is not pushy, but your child may ask to subscribe after watching.

Is this video educational?

Yes, it has strong educational value. The video touches on engineering concepts like gyroscopic stabilization, linear actuators, servo motors, and chain drives, explained in an accessible and enthusiastic way. It also models a growth mindset and resilience through Cash's story and the story of the Scewo engineers who spent a decade developing the wheelchair technology.

Does this video handle disability respectfully?

Yes, the video handles Cash's spina bifida in a very respectful and empowering way. Cash is portrayed as capable, funny, and determined — not as an object of pity. His parents' approach to his challenges is highlighted as a model of encouragement, and the video never sensationalizes his disability.

Is the 'platinum ticket' mentioned at the end a form of gambling?

The platinum ticket is a random prize hidden in one CrunchLabs subscription box, which has a slight lottery-like mechanic. It is not gambling in any meaningful sense — it is a promotional giveaway tied to a paid subscription — but parents should be aware of this element if their child is sensitive to chance-based rewards or if they are considering purchasing a subscription.