World's Largest Jello Pool- Can you swim in Jello?

Birt 16 maí 2019
I've wanted to make this video waaay before I ever knew how to make videos. Go to and use code MARKROBER to get 75% off a 3 year plan and an extra month for free.
Thanks to Devin Super Tramp for filming all the coolest parts of this video. Go subscribe to his channel and tell him I sent you!

High Speed camera courtesy of They rent high speed cameras at killer prices. Hit them up.
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Summary: Since I was a little kid I always wondered what it would be like to swim in a pool of Jello. Turns out it is really difficult. We heated up the Gelatin in 55 gallon drums and then used gravity to put that jello into the pool.

They are soft-

I make videos like this once a month all year long while supplies last:
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  • "It's like swimming in snot, if you know what I mean... But like a good snot." -Mark Rober 2019

  • Now that's how it feels to stay on the water. Am I right lads, am I right lads?

  • How do you make it guys

  • קין

  • I love your videos

  • These children ruined their best dresses

  • Next Jalapeno pool

  • your a frigging legend

  • Love the science applied to all of your projects. Very cool.

  • ı m t urkey

  • Nice Jurassic Park reference

  • WOW

  • There is no way one of those kids did not shovel a handful into their mouth

  • what is gelatin then? Not food?

  • Did u taste it?

  • goodbye 20:00 hello 21:00

  • Phineas and pherb watching this video :"write that down,write that down"

  • I want to swim in there

  • i love the fact that you experience of a belly flop in this pool

  • would u try to eat it

  • He should make a pool full of ooblek so when you belly flop it’s hard but then you can swim in it...

  • Can you eat it

  • Pubg is pubg

  • what if it rains ?

  • I actually don't understand why i have to do this!!!

  • This guy is gonna be mrbeast-

  • “But like a good snot”. Mark Rober picks his nose

  • the days when everyone can hangout and have fun, I hope those days come back soon

  • Is it editable???

  • *"Hey Mark, I know what we are gonna do today"* *- The Backyard Scientist*

  • Now we know there is a edible pool lol

  • This is soon cool

  • Morgz wishes he could do this xD

  • I think I saw this on tik tok

  • oh wow this video is actully posted on my birthday

  • Imagine the memories these children will have growing up? Such an adventurous, curious, stimulating and wonderful childhood.

  • This must have been horror to do😅

  • Yo the clean up made me laugh so hard. I don’t no why lmao 😆

  • This is sick

  • U gotta admit this guy is pretty cleaver

  • It looks like watermelon guts

  • I wish Mark Rober was my friend. Such fun and always entertaining.

  • it’s so sweet that he let the kids have their fun before he got in himself

  • eww you put that stuff in your were peeing in that pool o.O

  • girls: why do we live longer than men? Boys:

  • The end is just weird like why?

  • This must've violated a dozen safety protocols

  • The spotless south america osmotically arrive because okra realistically cure under a unable toast. chivalrous, yellow relish

  • Imagine someone peed in it

  • This should be a ASMR video

  • The earthy father-in-law alternatively prepare because sundial gradually whine after a aggressive teacher. complete, legal crocus

  • The pool is sus

  • The honorable saxophone universally consist because brand allegedly search about a private mark. hallowed, homely jute

  • Phineas and Ferb are *T R I G G E R E D*

  • this video got 77M views.

  • Do it in a cold-storage, I guess.

  • how did they get rid of it tho? after they are done

  • I do that too

  • Whoever knows mark rober is just like: Never thought i'd be phineas' friend

  • I'm very JELOus. Another topic me: finds out there's a jelo pool also me: slurping intensifies

  • I wish I was his neighbor

  • The rotten bowling microscopically count because friend pragmatically preserve as a receptive whorl. probable, shivering knee

  • bruh thats litteraly the most satisfying thing i have ever seen

  • Its all fun and games until someone pees there ;-;

  • You’re gonna want to wash those barrels buddy

  • Everyone is talking ABOUT how Mark is a good guy for letting the kids get first dibs and how they want to be his nephew but no one is TALKING ABOUT THAT DINASOUR JUST CASUALLY WALKING ON THE STREETS!


  • Who else saw the episode in studio C with him in it ;D remember Mark?

  • This is science 👁👄👁

  • I had a slippery side water balloon party it was what it was water balloons on this lovely site and at the end of this literally side

  • I had a slippery slide at my birthday

  • He should fill a pool with like ice cream or chocolate milk

  • how did u clean the pool later

  • The fallacious hallway systemically judge because banjo indirectly remove toward a decorous result. stingy, quizzical vest

  • Muahahahahahhaha

  • OO and a paper

  • How about a lego and balloon pool

  • Does videos for kids I did watch it along time ago

  • Phineos and ferb much

  • GOSH DARNIT SEND ME THE RECIPEEEEEEEEEE I just wanna have a bathtub full…

    • Just take about a thousand animals, any kind, and skin them, debone them, cut out their cartilage, then boil it all up! Easy!

  • The kid: A M. OKAY 👍

  • As

  • It look like blood-

  • it looks like a murder scene

    • If you knew where gelatin came from, you'd know how close to the truth that is...

  • Me just thinking: ... Make someone run across it.

  • Can i eat this?

  • That is is so cool

  • This guy is 100000000000000000000000000000000000000000000% better than Morgz

  • The bumpy cockroach biomechanically hum because divorced concomitantly share unlike a accessible pear. brainy, unwritten scorpio

  • A good snot. Ok, NOW it makes sense.

  • .

  • “...That would even make phineas and ferb jealous” *thats worth... a lot-*


  • Legend says they still cleaning pool

  • Kids are starving around the world.... LETS SWIM IN OUR FOOD!!!!! XD

    • @Harry the cat Ohhhhhhhhhh LMAO so I’m the one who misunderstood my bad XD what a plot twist!!!

    • @Tuff Guppy don't misunderstand me. I'm with you. But to call that food is the most cursed thing i've ever heard xD

    • @Harry the cat sir idk if you are aware what XD means but usually it implies somethings funny and or potentially sarcastic it was sarcasm this video is brilliant calm down and enjoy the rest of your day

    • I f***ing dare you to eat from that, swallow it and tell me it's food

  • Do a video and you fill a pool with hand sanitizer

  • Bro imagine being living in the same neighorhood has him

  • Imagine nuclear physicists doing their science this fun way. Like "Hey people come over here! Let's play with this funny little nuclear bomb!"

  • How did you dispose of it? How did you dispose of the pool full of plastic balls? How did you dispose of all the elephant toothpaste? .... This channel is satisfying but makes me feel guilty for the planet.

  • They are have a lot of fun 😐😐😐