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

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:
TWITTER: #!/MarkRober
INSTAGRAM: markrober


  1. Yonaton Rozanski

    Yonaton RozanskiPrije 3 minuta

    Super cool but so gross 😂

  2. BΛSΞ R4V3N

    BΛSΞ R4V3NPrije 12 minuta

    Shoutout to mark’s hat

  3. Mr. Vacuum Brain Bimbo

    Mr. Vacuum Brain BimboPrije 26 minuta

    Is there a reason why the music has to be 20 times louder than the speaking volume in the video?

  4. ScottishIndian

    ScottishIndianPrije 37 minuta

    No offense towards Mark or anybody involved, but couldn’t you have done this indoors? Turn on the heater really high, then turn on the air conditioner really low?

  5. Anthony Borbolla

    Anthony BorbollaPrije sat

    Mark Rober is our universe's Willy Wonka.

  6. Help me reach 100 subscribers, Cool dude

    Help me reach 100 subscribers, Cool dudePrije sat

    <a href="#" class="seekto" data-time="282">4:42</a> satisfaction

  7. Isla Spanks

    Isla SpanksPrije sat

    I'm jealous!!!!

  8. AJ Jeffs

    AJ JeffsPrije sat

    Mark is so nice if I had done all the work mark had to get this to work I’d would have told the kids to go away and use it myself

  9. badguy blah

    badguy blahPrije sat

    The Jurassic park reference got me on the floor

  10. Tyler Gaming

    Tyler GamingPrije sat


  11. ylrae

    ylraePrije 2 sati

    Was he ever seen without a cap?

  12. Technimechanical

    TechnimechanicalPrije 2 sati

    The sugar is what helps it solidify lol

  13. The Great Gabby

    The Great GabbyPrije 3 sati

    Okay but how did you clean it?

  14. Easton Sewell

    Easton SewellPrije 3 sati

    Corona virus

  15. Andy Cadet

    Andy CadetPrije 3 sati


  16. Rory S

    Rory SPrije 4 sati

    I love the end! 😂 “dino runs by”

  17. Erik Johnson

    Erik JohnsonPrije 4 sati

    Hi. I love the video

  18. Ethan Naidoo

    Ethan NaidooPrije 4 sati

    Idk why u didnt run on it

  19. crexm cookiez

    crexm cookiezPrije 5 sati

    I'd like to eat some

  20. STARG8ER

    STARG8ERPrije 5 sati

    pretty cool 👍

  21. Nicholas Bouchard

    Nicholas BouchardPrije 5 sati

    Why can’t I be mark’s nephew? Not fair

  22. Humberto Kannygamer

    Humberto KannygamerPrije 7 sati

    Hetevlkj. Ilusión faevjaerpihjoitw

  23. oceano

    oceanoPrije 7 sati

    Imagine one of the kids drowning in the pool

  24. Cactie Are cute

    Cactie Are cutePrije 8 sati

    Little kid: *Falls* I'm okay! *Falls over again* Everyone: *Laughing* Me: Pffft😂😂😂

  25. Pitbullpups Gacha

    Pitbullpups GachaPrije 9 sati

    Best.dude.ever! I wouldnt know much bout that but i WISH he was my dad

  26. Someone Unimportant

    Someone UnimportantPrije 10 sati

    Everybody gangsta until one kid pee in that pool


    TWISTED PIKACHUPrije 10 sati

    hi im awake at 1 in the morning to!

  28. theytookmyname666

    theytookmyname666Prije 11 sati

    I am doing so many things wrong in my life, because I'm not enjoying half as much as anyone in this video.

  29. Nat

    NatPrije 11 sati

    Must feel like a womb

  30. Insect Uncle

    Insect UnclePrije 12 sati

    Trust me, Phineas and Ferb aren't jealous......they're proud

  31. Skanda Swaminathan

    Skanda SwaminathanPrije 12 sati

    I've wanted to jump in one of these since I watched it on phineas and ferb. TBH kinda disappointed you can't bounce all the way to the moon

  32. Sleepy Child

    Sleepy ChildPrije 12 sati

    Everything He Does Seems Fun

  33. Esssche SSS

    Esssche SSSPrije 13 sati

    He missed a great opurtunity to make at eatable.

  34. bowelsoftrogdor

    bowelsoftrogdorPrije 13 sati

    Hey guys, maybe let kids from marginalized communities get first dibs?

  35. Ali Iraqi

    Ali IraqiPrije 13 sati

    I liked you and your content before but now that you referenced the office you’re going higher on my list. ❤️❤️

  36. TheChef

    TheChefPrije 14 sati

    Being Mark’s neighbor might be the craziest thing, like phineas and ferb in real life

  37. Jerboa

    JerboaPrije 14 sati

    Coludent u use a heated pool to just do this in like 2 days pls tell me if I am wrong

  38. XDnelsonDX

    XDnelsonDXPrije 14 sati

    Believein God💓💓💓

  39. Zybryus Heard

    Zybryus HeardPrije 14 sati

    This looks awesome but you all gotta admit that is kinda gross

  40. Gringodingo7

    Gringodingo7Prije 15 sati

    Boooo the kid didn’t commit to the flop

  41. Preston . Elliott

    Preston . ElliottPrije 15 sati

    Hey mark me and my girlfriend were wondering why you seemed so angry at the blow up t rex.

  42. XD Bubble

    XD BubblePrije 15 sati

    Wait till kren comes around

  43. Angelina Maldonado

    Angelina MaldonadoPrije 16 sati

    You have some weird dreams XD lol love ur vids keep up the good work

  44. Vincent Plaza

    Vincent PlazaPrije 16 sati

    Soo lucky 😆

  45. Pizzaboy

    PizzaboyPrije 16 sati

    What makes me uncomfortable is that there is probably a lot of germs in the pool

  46. Rishi Ronu

    Rishi RonuPrije 16 sati

    “My ongoing quest to become the favorite uncle.” I genuinely would like to know who his competition is.

  47. mega boii

    mega boiiPrije 17 sati

    Best uncle ever

  48. J-T-Rex 920

    J-T-Rex 920Prije 18 sati

    Thanks Mark for ur content I love it

  49. Paris Lee

    Paris LeePrije 18 sati

    I love how mark is making this a educational channel but also a fun and entertaining video.Keep up the great work Mark!

  50. 3onesgams Wright

    3onesgams WrightPrije 19 sati

    This was my childhood dream

  51. hooga booga MONGO

    hooga booga MONGOPrije 19 sati

    why dis got dislikes?

  52. Ava Muller

    Ava MullerPrije 19 sati

    Gelatine isn’t what I call it so Aussies I guess are confused like me we call it jelly

  53. Noah Hinds

    Noah HindsPrije 20 sati

    Turn on subtitles <a href="#" class="seekto" data-time="323">5:23</a>

  54. Help me reach 5k subscribers!

    Help me reach 5k subscribers!Prije 20 sati

    Mark Rober makes science fun

  55. Tara Westbrook

    Tara WestbrookPrije 21 sat


  56. R Liu

    R LiuPrije 22 sati

    imagine Matt Stonie eating this lol

  57. Munirathinam Muniswamy

    Munirathinam MuniswamyPrije 22 sati

    Mr beast is there

  58. Yannic de Haan

    Yannic de HaanPrije 22 sati

    Just one thing for you mark: respect that you actually did every thing to make your dream come true

  59. sawyer7 sevans

    sawyer7 sevansPrije 22 sati

    It would be awesome to have a friend like you

  60. Luis Hernandez

    Luis HernandezPrije 23 sati

    Can you eat it

  61. sWeT FireWarrior

    sWeT FireWarriorPrije dan

    Teacher: Who is everyone's favorite scientist? Class: Bill Nye! Me: Mark Rober

  62. Dullah Isa

    Dullah IsaPrije dan

    The one thing that I like about this guy's video's is that he makes a party

  63. Genus Obscura

    Genus ObscuraPrije dan

    How did you get rid of it afterwards?

  64. Nic Naires

    Nic NairesPrije dan


  65. pizza puppy

    pizza puppyPrije dan


  66. Yudhishtra RockZ

    Yudhishtra RockZPrije dan

    Uncle of the century award goes to Mark Rober

  67. Chunga

    ChungaPrije dan

    The neighbors must be thinking your cooking meth or something in those barrels

  68. Rishav Thakur

    Rishav ThakurPrije dan

    next video : how to swim in lava pool

  69. Kason Woolverton

    Kason WoolvertonPrije dan

    What if you did the world’s largest paint ball gun👨🏻‍🔬


    scented.flowersPrije dan

    Its not really fair if those stranger kids have first dibs because you took so long to make that



    I think you can make a slime pool next

  72. John S

    John SPrije dan

    Sugar is not food, it's poison.

  73. Golden Warrior 2.0

    Golden Warrior 2.0Prije dan

    At <a href="#" class="seekto" data-time="208">3:28</a>: when you are under the lava in Minecraft

  74. Zen Kelpy

    Zen KelpyPrije dan

    I believe it’s pronounced jelly

  75. c cc

    c ccPrije dan

    No way that’s amazing

  76. Shelly Sanders

    Shelly SandersPrije dan

    That’s a lot of boiled cow bones

  77. Lettuce Juice

    Lettuce JuicePrije dan

    Its an incredibly useless project but a cool one at that

  78. Genevieve White

    Genevieve WhitePrije dan

    Why is there a dinosaur at the end? And WHY is no one talking about it?!

  79. AS Gaming

    AS GamingPrije dan

    Was that one of MrBeast's dinosaurs back there at <a href="#" class="seekto" data-time="595">9:55</a>

  80. Alex R

    Alex RPrije dan

    ‘But like a good snot’🤣🤣