Ryan's World: Coke and Mentos Experiments, the classic fizz-bang

The classic soda-and-sweets eruption, done a few different ways, with all the enthusiasm you'd expect from Ryan's World.

Ryans World·20 min 20 secWatch on YouTube ↗

Piko approved · checked and scored

Twenty minutes of the classic Coke-and-Mentos eruption, repeated with variations and a lot of enthusiasm. It's loud and energising by design, our scores are clear on that, and it's genuinely satisfying for a sensory-seeking younger child. Older kids past nine may find the style a bit young for them, which our scores also flag.

At a glance

Age fit

5-8

younger sweet spot; scores flag it may feel patronising past 9

Pacing

3.2s avg shot

average shot length (fast kids' TV is under 2s)

Sensory intensity

High

sudden bangs, loud music, bright fast visuals

Energy effect

Energising ↑

measured, not guessed

Presenter

Loud, high-energy

enthusiastic Ryan's World style, expect noise

Brain-rot risk

Low

self-contained experiment format with a clear payoff

Will it actually calm them down?

Wound-up → Settled (Yellow Zone → Green)30/100

Flat & tired → Gently lifted (Blue Zone → Green)85/100

Meltdown recovery (Red Zone → Green)10/100

Best for a high-energy moment, not a wound-up oneBrilliant on a flat Rainy afternoon needing a liftSkip on Stormy days, all fizz, no calm

Scores measure how reliably this video moves a child toward a settled, regulated state. In the Piko app, kids tell us their weather and we do the matching automatically.

Which kids will love it?

Makers 88budding scientists, ages 5-8

Thrill-Seekers 78big-reaction lovers, ages 5-8

Entertainers 70showy, high-energy kids, ages 5-8

What's my kid's profile?Find out here (takes 2 minutes, promise!). You'll get a profile you can send to Grandma, and a shelf of videos to match.

Find their style →

Why it works

This is a well-loved science-fair experiment done properly: the classic fizzy eruption, repeated a few different ways so the payoff keeps landing. It's simple enough that a child could talk you through recreating a (supervised) version afterwards, which is exactly the kind of screen-to-real-world handoff worth having.

For a sensory-seeking child, the big bright reaction and quick, satisfying cause-and-effect are a genuine draw. Nothing here is frightening, and there's no demand language pushing the viewer to do anything beyond watch.

Worth knowing upfront: it's loud, with sudden bangs and bright, fast visuals throughout, so it scores high on sensory intensity and low for settling a wound-up child. Our scores also flag that the style may read as patronising once a child passes nine or so.

When to reach for it

Inspiring real (supervised) play. A classic experiment simple enough to actually recreate outside afterwards.
Saturday-morning energy, not wind-down. Loud and fizzy by design, best kept away from bedtime.
The sensory-seeking scientist. Bright, loud and satisfying for a child who wants big, obvious cause and effect.