The King of Random – WISE Score & Parent Review | Screenwise

The King of Random

Name: Screenwise
Author: Screenwise

YouTube2010

76%

WISE Score

12.5M

Subscribers

Mad science, DIY builds, and the kind of 'don't try this at home' experiments that make physics look actually cool.

The King of Random

YouTube

2010

76%

WISE Score

12.5M

Subscribers

Mad science, DIY builds, and the kind of 'don't try this at home' experiments that make physics look actually cool.

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12.5M

Screenwise Verdict

The King of Random (TKOR) is the grandfather of the 'mad science' YouTube genre, but it is currently living in a bit of a legacy shadow. Since the tragic passing of founder Grant Thompson in 2019, the channel has transitioned into a production house that cycles through hosts. It still sticks to the core mission—making cool stuff out of hardware store junk—but it lacks the singular, obsessive spark of the early days.

It is fantastic for sparking a 'how does that work?' mindset, but you have to be the voice of reason. If your kid watches a video on potato cannons or candy maces, they will want to build one. It is high-quality STEM content that requires a high-quality safety talk immediately afterward.

Age Fit

Best for ages 8 and up. Younger kids will enjoy the 'cool' factor of things melting or exploding, but the actual DIY instructions and safety warnings are geared toward older kids and teens who have the impulse control not to immediately light the kitchen on fire.

WISE Breakdown

Wholesome

The tone is generally positive and curiosity-driven, though the post-2019 era feels more like a corporate production than the original creator's genuine obsession.

Imaginative

High-tier DIY inspiration. It turns everyday objects into science experiments and encourages kids to look at a hardware store as a toy box.

Safe

While the content is clean, the 'mad science' aspect involves fire, projectiles, and power tools. It's safe to watch, but requires a serious 'don't do this alone' talk.

Enriching

Excellent gateway to STEM. It demonstrates physics, chemistry, and engineering principles in a way that feels like a hobby rather than a classroom.

Parent Info

✓

Why It Might Be Great

STEM Gateway that makes engineering feel accessible and fun through trial and error.
Project Variety ranging from simple gummy candy hacks to complex 3D printing and potato launchers.
Curiosity-Driven content that encourages kids to ask 'what happens if I melt this?'
Massive Backlog of over 1,900 videos means there is a project for almost any interest.

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What to Watch For

Physical Safety is the big one. Many projects involve fire, sharp objects (like candy swords), or high-pressure launchers.
The Legacy Shift means older videos have a different, more personal vibe than the newer, more polished team-hosted ones.
Clickbait Tactics occasionally creep in with the newer videos, focusing on 'fails' or giant versions of items to grab views.

Conversation Starters

"If we had a 3D printer, what's the first thing you'd want to make for our house?"
"Why do you think the potato launcher failed in that video?"
"Which of these experiments looks the most dangerous? Why do they use safety gear?"
"If you could combine two of Grant's old projects, what would the new one be?"

Deep Dive

There was a time when TKOR was the gold standard for backyard engineering. Grant Thompson had a specific, contagious energy for 'random' discovery—melting aluminum cans, making gummy LEGOs, or building survival kits. In 2026, the channel is more of a brand. It is professional, and the current hosts (Jarom and Jake) are capable, but it feels more like a show and less like a guy in his garage.

Compared to modern giants like Mark Rober, TKOR is more 'scrappy DIY' and less 'high-budget engineering.' That is actually a plus if you want your kids to feel like they can actually build these things. However, the safety factor is real. The channel puts up warnings, but the editing makes dangerous tasks look easy and fast.

If you have a 'builder' kid, this channel is a goldmine. Just be prepared to curate the playlist. Stick to the 'Life Hacks' and 'Gummy' playlists for younger kids; save the 'Mad Science' and launchers for when you are ready to supervise a garage session. It is also worth noting that the channel's engagement has dropped significantly over the years, which means the comment sections are quieter and easier to manage, but the content can occasionally feel like it's retreading old ground to stay relevant.