Watchly Safety Review

GLOWING WALL DIY- EASY and AWESOME

6:43 · 5.8M views · October 11, 2016

Minor FlagsReviewed June 2026

1Minor Flag

This DIY science video is a safe and genuinely educational watch for kids of most ages, combining a fun hands-on project with a clear explanation of light, color, and phosphorescence. The host strikes a good balance between entertainment and learning, making real physics concepts accessible and exciting without any concerning content.

Content Breakdown · 1 Category

Hidden Advertising & Sponsored ContentA little

The video links to specific products (glow-in-the-dark paint, vinyl sheets) in the description, but these appear to be transparent resource links rather than undisclosed paid sponsorships; no promotional language disguised as organic content is detected in the transcript itself.

See evidence (1)

“Links to glow paint and vinyl sheets provided in description with context: 'I put all the links in the description with even more details'”

What Parents Need to Know

This video teaches kids how to build a glow-in-the-dark shadow wall at home and explains the science behind fluorescence and phosphorescence in an engaging, easy-to-understand way. Kids will come away with a basic understanding of the electromagnetic spectrum, UV light, and how electrons behave — real STEM content delivered in a fun format. The project does involve some cost (the host estimates $50–$200 for glow-in-the-dark materials) and uses a camera flash, UV flashlights, and a blue laser pointer, so parental supervision is recommended if kids want to recreate it at home. There is a very minor mention of an online product link in the description, but it does not feel like a hard sell. Overall, this is a positive, creativity-encouraging video with no language, violence, or inappropriate content concerns.

Talk to Your Kids About

1Can you explain in your own words why glow-in-the-dark things keep glowing after the lights go off?
2What is the difference between UV light and the light we can see every day?
3If you could make your own glowing wall, what picture or design would you want to put on it and why?
4The video mentions that radio waves can be as long as entire cities — what other surprising things did you learn about the electromagnetic spectrum?

Protected Viewing

What's This Video About?

I wanted to recreate the first time science blew my mind by creating my own massive glow wall in my house. Check out Jason's channel for more AWESOME art- https://www.youtube.com/watch?v=v8mIIUWQz60 MUSIC- 0:02- Pokemon in NYC- Andrew Applepie- http://www.andrewapplepie.com/ 3:32- Berlin- Andrew Applepie- http://www.andrewapplepie.com/ 6:42- Special song written just fo my bad self- Lincoln Hoppe, http://lincolnhoppe.com/ 7:50- Birds Don’t Sing- TV Girl- https://tvgirl.bandcamp.com/ WHERE I GOT THE STUFF (I will make this list better in a day or two but I'm pressed for time so here's a good start): Glow in the dark wall paint (will post a link to the best one to buy later)- http://glow.glowinc.com/water-based-glow-in-the-dark-paint/ Sheets of vinyl- The #5 option worked the best and was what all the laser writting was on in the video- https://cwreflective.en.alibaba.com/product/60460552352-800410170/PVC_cuttable_printable_self_adhesive_rigid_night_glow_photoluminescent_Glow_in_the_dark_plastic_sheet_board.html?spm=a2700.7803228.1998738836.186.5RlWtb Summary: You can make one of those really cool glow walls (or shadow walls) you find at Children's Museums in your own house. I walk through the science behind what makes things glow and show you how to make your own. PLEASE CONSIDER SUBSCRIBING: http://tinyurl.com/MarkRober-Sub **************************************** I make videos like this once a month all year long while supplies last: CHECK OUT MY CHANNEL: http://tinyurl.com/MarkRober-YouTube FACEBOOK: https://www.facebook.com/MarkRoberYouTube TWITTER: https://twitter.com/#!/MarkRober INSTAGRAM: https://www.instagram.com/markrober/

Frequently Asked Questions

What age is this video appropriate for?

This video is suitable for kids around age 6 and up. The science concepts are explained clearly enough for younger school-age children to follow, while older kids and teens will appreciate the deeper physics discussion about the electromagnetic spectrum.

Is there anything unsafe in this video for young children?

The video is very safe overall. The only minor note is that the project uses a blue laser pointer and camera flash to charge the glow wall, so if kids want to recreate it, parents should supervise laser use to protect eyes.

Does this video have any advertising or sponsored content?

The host mentions links in the video description to purchase glow-in-the-dark paint or vinyl sheets, which is a mild product reference. It does not feel like a paid sponsorship and is presented as helpful project guidance rather than a hard sell.

Is the science in this video accurate and educational?

Yes, the science content is accurate and well-explained. The host correctly describes the electromagnetic spectrum, the difference between fluorescence and phosphorescence, and how UV light interacts with special materials — all concepts aligned with school-level science curricula.

Can kids recreate this project at home?

Yes, the project is designed to be DIY-friendly. Parents should be aware it involves purchasing materials ($50–$200 depending on wall size) and supervising the use of a camera flash or UV light, but it is otherwise a safe and rewarding hands-on activity.

Does the video feature any inappropriate behavior or language?

No, the video contains no inappropriate language, violence, or unsuitable behavior. The host is enthusiastic and positive throughout, and the content is entirely family-friendly.