World's LARGEST JELLO POOL- Can you swim in Jello?

  • Published on May 16, 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.
    0:03 - Arrow - Andrew Applepie
    0:31 - Cereal Killa - Blue Wednesday
    2:14 - Run (Part 2) - Andrew Applepie
    3:58 - Arrow - Andrew Applepie
    4:39 - Sappheiros - Falling (ft eSoreni)
    5:22 - Pokemon in NYC ft Missy - Andrew Applepie
    7:24 - New Shoes - Blue Wednesday
    8:02 - Inspiring Cinematic Trailer in
    8:21 - Arrow - Andrew Applepie
    8:36 - Pata Pata - Matt Chene-
    10:08 - Q - Blue Wednesday
    11:09 - Too Happy to be cool by Notebreak

    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:
  • Science & TechnologyScience & Technology

Comments • 27 993

  • Mark Rober
    Mark Rober  Month ago +17681

    My bucket list is now one item shorter. This was a brutal amount of work but a worthy engineering challenge. MASSIVE thanks to my buddy Devin Super Tramp for filming this so don't get used to this high quality from me. He is a living legend.

    • endereye sullivan
      endereye sullivan 2 days ago +1

      Those kids are lucky i would never get near that it will be impossible till im a adult

    • Terminus Taylor
      Terminus Taylor 2 days ago +1

      Mark Rober you just did something that millions of other youtubers have tried to do ever since RU-clip became a thing and they all failed but you succeeded because you have a special gift

    • Rahat Amin
      Rahat Amin 3 days ago +2

      Insanely well done

    • Lucy Mae
      Lucy Mae 3 days ago +1

      Awesome videos

    • Umer Abdi
      Umer Abdi 3 days ago +1

      @Dagan Ward UZHXHGBSBJ


    Is it Eatable tho?

  • Shailesh shailesh
    Shailesh shailesh Day ago +1

    Is he also wok for NASA?

  • Sean Johansson
    Sean Johansson Day ago

    WOW, just WOW!!!! If I could, I'd com,e live by you in a tent for free just to see what you come up with :)


    w0w amazing

  • princess kitty
    princess kitty Day ago

    uhhh is this photoshop?

  • DaMingWay
    DaMingWay Day ago

    Proper content

  • Nash1a
    Nash1a Day ago

    New fan!!!

  • Angelica Ramos
    Angelica Ramos Day ago


  • Marquis Palmer
    Marquis Palmer Day ago

    This is what happens when smart people win the lottery

  • Heather Gamble
    Heather Gamble Day ago

    Wat if somebody peed in the pool

  • CreeperBoy
    CreeperBoy Day ago

    I watched unspeakable do this and he failed but you did it you should get a reward

  • Lisa's cat from Blackpink

    I love that Juarrasic Park reference you did 😂😂😂😂😂😂

  • Ben Matthew
    Ben Matthew Day ago +1

    Who what’s to do that

  • thomas hardin
    thomas hardin Day ago

    9:30 🤘💃🏽💀😉😎📡

  • OoGa bOoGa ToOgA gOoGa

    You know how cool it would be to be part of this guy's family or even just know him

  • O.M.F Bless Up
    O.M.F Bless Up Day ago

    We Can’t Go To The Moon

  • Bridget Tuft
    Bridget Tuft Day ago

    Just get a huge oven and boil
    Obviously.... then get a huge refrigerator... yea so... do that *but were u gunna find big stuf?* some guy said well some guy... shut

  • Rachel
    Rachel Day ago

    Pool of cool whip!

  • ViperNate YT
    ViperNate YT 2 days ago +1

    6 months?😂

  • Prisha Naik
    Prisha Naik 2 days ago +1

    Why did he wear a hat in the pool😂

  • David Staneart
    David Staneart 2 days ago

    Steve Smith has entered the chat

  • Sagar Thakur
    Sagar Thakur 2 days ago

    I appreciate this guys work. I mean how much effort he put into his videos🎥🎥

  • Když Mikasa Hraje
    Když Mikasa Hraje 2 days ago

    Hey man , it's looking awesome

  • Kat The wolf
    Kat The wolf 2 days ago

    I’m just imagining all the flys and bees and how sticky they were after

  • Marvel fan Number one
    Marvel fan Number one 2 days ago +1

    I wanna eat it so bad

  • Andy Stroman
    Andy Stroman 2 days ago +1

    Mark Rober!!! You are seriously the COOLEST GUY!!!!!!!!

  • Taylor and tenley Kajmowicz

    Good job 😃

  • TheKnightMan Freeze!!!!!!

    collab with mrbeast mark

  • Jayrome Babag
    Jayrome Babag 2 days ago

    This fun and all, but i just remembered the "how much pee is in a pool" episode.

  • Димитар Стојаноски

    Can you make a gun that shots paper balls

  • luke vigorito
    luke vigorito 2 days ago

    I am pooping

  • Ninja
    Ninja 2 days ago

    Hey Mark! Is it possible to make Hot Ice like a hot ice cube pr something?

  • Elijah Cabahug
    Elijah Cabahug 2 days ago

    Gabe sili unspekable haha

  • Nessa Henry
    Nessa Henry 2 days ago +1

    Men you shoul do a Running on Yellow challenge that will be cool

  • Xelphonential
    Xelphonential 2 days ago

    That's it. I gotta move to your neighborhood.

  • danah Dayrit
    danah Dayrit 2 days ago

    Im so jealus ;-;

  • IzzyNashty13 Gaming
    IzzyNashty13 Gaming 2 days ago

    Mrbeast would perfect this

  • If get 60,000 subscribers I subscribe to PewDiePie

    to be honest the kids just ruined it

  • Julie Alexandra
    Julie Alexandra 2 days ago

    You have topped MrBeast. Well done 👏👏👏👏👏

  • Gail Keith
    Gail Keith 2 days ago +1

    I want you put chocolate in a pool
    I subscribe and like

  • Melissa Dyer
    Melissa Dyer 2 days ago

    Every child’s dream but some just want peace 1 like=999999999 prayers for kids with mean parents
    P.s. I had nice parents

  • Reese Gabriel
    Reese Gabriel 2 days ago

    I think about anything you through in it just bounces even a kid but an adult just sinks

  • Scarlett Andrews
    Scarlett Andrews 2 days ago

    So many people in the restricted countries have rejoiced by the glory that is VPN! XD

  • Erica Ivery
    Erica Ivery 2 days ago

    This is cool 😎

  • harley
    harley 2 days ago

    lol looks like blood

    NYEHEHE 2 days ago +1

    *Local man found on moon quotes:*
    " I went on the moon just because I could "

  • Angel Camacho
    Angel Camacho 2 days ago


  • Angel Camacho
    Angel Camacho 2 days ago

    Please come back

  • Eli Ropp
    Eli Ropp 2 days ago

    thats cool man

  • Spartan40
    Spartan40 2 days ago

    seems so disgusting and frivolous, weird why someone would seriously want this. Clicked but wasn't interesting enough to watch in full

  • Des
    Des 2 days ago +2

    0:14 UNSPEAKABLE!!!
    You should leave a like if you watch unspeakabe/like him :)

  • Nick M
    Nick M 2 days ago

    It’s the Red Sea

  • Abby Grace
    Abby Grace 2 days ago

    Who else skips all the science stuff and goes straight to the final product

  • Ariella JocelynF
    Ariella JocelynF 2 days ago

    Mark rober
    Mark rober
    Mark rober
    Mark rober

  • Paky
    Paky 2 days ago

    You hhad to tell these kids that the actually swimm in bunch of dead pids kek

  • Satvik Garg
    Satvik Garg 2 days ago

    Hey Mark, I am in grade 11 and i am looking for a end of the year engineering project and i am wondering if you had any ideas or suggestions on something i could make or work on. First i was planning on making a drone out of 3d printed parts but as i browsed the parts for the project it just exceeded my limit for how expensive it could be. So if you have ideas or suggestions please let me know either through direct message or replying to this.
    Thank you!!

  • 10억
    10억 2 days ago +1

    저건 어찌 처리할까;; 걱정이다

  • Sylvia Horsechief
    Sylvia Horsechief 2 days ago

    love the video

  • Sebastian Mikkelsen
    Sebastian Mikkelsen 2 days ago

    Thanks Mark Rober, for spoiling "the office" for me

  • Maria
    Maria 2 days ago

    This is so cool.

  • Logan vlogs
    Logan vlogs 3 days ago

    Don't hate on unspeakable. He makes better videos anyways

  • Alain Lopez
    Alain Lopez 3 days ago

    Dude that was epic those kids must have had a blast a memory of a lifetime

  • T r
    T r 3 days ago

    Can you Build a drone? Under $100

  • Jabbster11
    Jabbster11 3 days ago

    You’re an absolute legend mate. 👏🏻👏🏻👏🏻👏🏻

  • poojitha borra
    poojitha borra 3 days ago +1

    You are the coolest uncle ever....
    I feel happy, just watching that. The amount of knowledge you possess and the way you implement your ideas is awesome. You inspire me Mark

  • Bro Gamer
    Bro Gamer 3 days ago

    You and your brother is such a Intelligent

  • ricar doroy
    ricar doroy 3 days ago

    Is he an mechanical engineer?

  • Damaris Garza
    Damaris Garza 3 days ago +1

    Hey mark I was wondering if the earth was flat

  • mylife suck!!
    mylife suck!! 3 days ago

    I wont a new vedio

  • Zac’s Google Account

    I imagine that’s what it’s like to phase through something

  • I Have No Name
    I Have No Name 3 days ago +2

    Who else like watching these kinds of video without actually doing it?

  • Joy Libbinson
    Joy Libbinson 3 days ago

    This video pleases me *greatly.*

  • Nintendo Games
    Nintendo Games 3 days ago

    Holy crap I've never seen that and it looks so sadafiing

  • Krizzy
    Krizzy 3 days ago +3

    6 months of work and no ads.... Truly remarkable

  • Cow Gaming
    Cow Gaming 3 days ago

    My whole child hood dream is in this video.

  • Dante Harris
    Dante Harris 3 days ago

    Scratch sugar just bones

  • Dante Harris
    Dante Harris 3 days ago

    I’m scared, considering that he’s swimming in a pool of bones and sugar

  • S.Z.V S.Z.V
    S.Z.V S.Z.V 3 days ago

    So how was the cleaning process?😭

  • Academy of the Yesterday’s

    SCIENCE it’s a next level

  • Juliana Bezerra
    Juliana Bezerra 3 days ago

    Eu tô apaixonada é nesse ambiente... Que casa mais perfeita ❤

  • Axl Mizzi
    Axl Mizzi 3 days ago

    You are cutting it close and we are hanging out for the next video. Love your work

  • Abhinav Sandiman
    Abhinav Sandiman 3 days ago +1

    You are most coolest youtuber i have ever seen.

  • Benj will
    Benj will 3 days ago +2

    The coolest uncle :(

  • Samantha Speaks
    Samantha Speaks 3 days ago

    Dude this is awesome!!!

  • Emily Fogerty
    Emily Fogerty 3 days ago

    This is AWESOME! I want to recreate this someday (and I love science so I'd probably enjoy it)

  • Ella MSP
    Ella MSP 3 days ago

    I would be the kid to eat it lol

  • Ashton Shrock
    Ashton Shrock 3 days ago

    Thank you. I've literally wondered what this would be like since I saw cloudy with a chance of meatballs 😅

  • Xiadani Pérez
    Xiadani Pérez 3 days ago

    Man this is crazy

  • Isabelle Luisa Barrett Rocha

    Eu sou do Brasil eu tenho certeza que você não vai entender o que tá escrito aqui mas como você não vai conseguir ler o que tá escrito aqui escreve o que tá escrito nesse comentário no tradutor você vai saber o que tá escrito Esse vídeo foi bem legal eu gostei mas eu não entendi o que você falou Não entendi os comentários que estavam escritos porque eu sou do Brasil né eu fico me perguntando como que você vai entender que tá escrito pesquisa o que eu falei no tradutor se você nem sabe ler em Português

  • Abigail BONDZI
    Abigail BONDZI 3 days ago

    That was so amazing!!!😮😮😮😀😀😀😀

  • Ashleytheunicorn Fan!

    If you did a blue one you could stand on it and take a video saying I’m standing on water

  • VegLad
    VegLad 3 days ago

    if you think about it, he is really swimming in a pool of bones and skin.

  • William Cassidy
    William Cassidy 3 days ago

    can you eat it still

  • Elizabeth Wright
    Elizabeth Wright 3 days ago +1

    Why didn’t Mr.Beast think of this

  • Alex Midgley
    Alex Midgley 3 days ago

    What of someome peed in this pool

  • •kittycat Playz•

    How come no one ate it?

  • Conner Malone
    Conner Malone 3 days ago

    this isnot jime

  • Truegaming
    Truegaming 3 days ago

    Congratulations you rly worked hard fornit