Mokslas ir technologijos

World's Largest Elephant Toothpaste Experiment

I'm not a chemist.
A portion of this video was sponsored by LastPass.Click here to start using LastPass:
Science Bob's Elephant toothpaste recipe-
Here is Science Bob’s behind the scenes commentary:

0:00 - Marimba Idea - Blue Wednesday
0:15 - Arrow (Instrumental) - Andrew Applepie
1:08 - Dansez - Fasion
1:35 - Pata Pata - Miriam Makeba (Matt Cherne Remix)
2:25 - Dive - Lvly
3:49-6:40 - Dansez - Fasion
6:44 - Kalimba Jam - Blue Wednesday
8:16 - Salamanca - Sarah, the Illstrumentalist
9:47 - Kalimba Jam - Blue Wednesday
10:12 - Q - Blue Wednesday
11:06 - Too Happy to be cool by Notebreak

Summary: Elephant toothpaste (aka slime foam) has sort been done so many times I wanted to do it really big. We did a ton of testing.

They are soft-

I make videos like this once a month all year long while supplies last:
FACEBOOK: MarkRoberLTplayer
TWITTER: #!/MarkRober
INSTAGRAM: markrober


  1. Mark Rober

    Mark Rober

    Prieš 5 mėnesių

    I'm finishing out 2019 real strong with some BIG videos so be sure to subscribe, bell, donate a kidney, etc.

    • VinnyDoesRblx


      Prieš 10 dienų


    • sharky1738ftw plays

      sharky1738ftw plays

      Prieš 10 dienų

      ur the best LTplayerr

    • br0oke Thomas

      br0oke Thomas

      Prieš 17 dienų

      Here is my kidney 💁‍♀️

    • Anmol Shrestha

      Anmol Shrestha

      Prieš mėn

      some dude named Nick Uhas is trying to claim that he broke the record when he clearly didn't

    • A.S.T Stunts

      A.S.T Stunts

      Prieš 2 mėnesius

      My class watches you for science

  2. Ѕαмαитнα ΧУZ

    Ѕαмαитнα ΧУZ

    Prieš 13 val

    One question: What job is mark doing? Investigating? Or inventing??

  3. DBNigel Z

    DBNigel Z

    Prieš 13 val

    sana ol (only filipinos will get it)

  4. Aspect Kraken

    Aspect Kraken

    Prieš 16 val

    Wait wait wait before we cut the tarps cuts tarp almost fully ‘pauses’

  5. Thomas Bishop

    Thomas Bishop

    Prieš 16 val

    Would you be able to swim in it

  6. MadMatt9007


    Prieš 19 val

    Bye bye camera Bye bye camera Bye bye camera Bye bye camera Bye bye camera Bye bye camera

  7. Mujtaba Muhammad

    Mujtaba Muhammad

    Prieš 19 val

    Man you inspire me to try these stuff

  8. WorldFall


    Prieš 19 val

    Imagine if someone accidentally fall into it

  9. Alex Fliptastic

    Alex Fliptastic

    Prieš 20 val

    This kid tryna make people laugh saying Welp goodbye camera three freaking times

  10. Juan De La Vega

    Juan De La Vega

    Prieš 20 val

    Come out they said it’s fun they said/ I’m ALIVE

  11. Juan De La Vega

    Juan De La Vega

    Prieš 20 val

    He is the nicest, greatest, and funnest uncle ever

  12. Jacob Guerrero

    Jacob Guerrero

    Prieš 21 val

    You cool

  13. Sam Garcia

    Sam Garcia

    Prieš 23 val

    Anyone else noticed the bird fly by at 0:43?

  14. Ghost ZeroBTW

    Ghost ZeroBTW

    Prieš dieną

    1:04that looks like a nuke

  15. T_CIRTII Death

    T_CIRTII Death

    Prieš dieną


  16. GameKing 2000

    GameKing 2000

    Prieš dieną

    Sipping on straight toothpaste

  17. Thanos


    Prieš dieną

    mark's neighbors: *o.O*

  18. Tàłã dâ põtätó

    Tàłã dâ põtätó

    Prieš dieną

    i want to eat it.

  19. TheTorblox2


    Prieš dieną

    2:36 An anime scene of a protagonist meeting a long time nemesis

  20. Ace


    Prieš dieną

    imagine if google earth came by when this happened

  21. Adam Roney

    Adam Roney

    Prieš dieną

    World record haha, more like socically accepted record.

  22. obama_is_yo_mama _

    obama_is_yo_mama _

    Prieš dieną

    Anyone else is thinking about that phone/camera idk? 7:23

  23. Chivas Regal Salvador

    Chivas Regal Salvador

    Prieš dieną

    7:14 Thank Me Later Meh Dudez

  24. Roblox Games

    Roblox Games

    Prieš dieną

    When you mix a baking soda and a sugar it will blow up because the molecules of baking soda is a liquid of heat so once you mix sugar the sugar will just produce the heatness and will hive pressure to make the explosion. If it's true like my comment

  25. ajay love

    ajay love

    Prieš dieną

    u see that dragon fly? 00:42

  26. J•Erik


    Prieš dieną

    is the oxygen created from the reaction safe to breathe?

  27. Bang Sapuy

    Bang Sapuy

    Prieš dieną

    Good luck dude ↓

  28. Heart Medic

    Heart Medic

    Prieš dieną

    Did anybody notice Mark wearing TKOR t-shirt?

  29. 10 M subscribers only with Night Scene video

    10 M subscribers only with Night Scene video

    Prieš dieną

    2:14 amazing

  30. Abigail Johnson

    Abigail Johnson

    Prieš dieną


  31. SilentReveries


    Prieš dieną

    3:27 rip drone

  32. Muffin Max

    Muffin Max

    Prieš dieną

    10:20 he is wearing a king of Radom shirt rip grant we will miss you ;-;

  33. Aaron Tank

    Aaron Tank

    Prieš dieną

    Imagine having a uncle like that as a kid

  34. JCRLX- Gaming

    JCRLX- Gaming

    Prieš dieną

    Why did you make the pool so fool that is want everywhere

  35. ActionJGaming


    Prieš dieną

    For all the people watching in 2020 Rip Grant



    Prieš dieną

    8:36 king of random merch

  37. The weirdguy

    The weirdguy

    Prieš dieną

    Did no one see the king of random shirt

  38. Alex•


    Prieš dieną

    0:43 Hi there just passing by

  39. Black Ace

    Black Ace

    Prieš dieną

    What's the point though....

  40. Velouria Whitford

    Velouria Whitford

    Prieš dieną

    TKOR is what the gummy legos spelled and thats the King of random

  41. Michael Moreno

    Michael Moreno

    Prieš dieną

    David Dobrik new record

  42. Crocen


    Prieš dieną

    That's wat happens to my blood

  43. Elimanautii


    Prieš dieną

    This guy is the type of guy that I wish was my uncle

    • Elimanautii


      Prieš dieną

      Instead I have this one that always asks me to play this game in his room tho... don’t know why.😕

  44. •Miley chan•

    •Miley chan•

    Prieš dieną

    Uhhh is that safe?

  45. Minecraft master

    Minecraft master

    Prieš dieną

    I love the king of random

  46. pugs! pugs!

    pugs! pugs!

    Prieš dieną

    Who watched inky Ricky dimly and down

  47. RedPandaPlays YT

    RedPandaPlays YT

    Prieš dieną

    1:01 *We have officially made the first man made volcano*

  48. celinaaaron sohal

    celinaaaron sohal

    Prieš dieną

    How do you dispose of this stuff



    Prieš dieną


  50. rat goblin

    rat goblin

    Prieš dieną

    god my uncle is a pig why cant he be like you

  51. Darius Castellino

    Darius Castellino

    Prieš 2 dienas

    imagine jumping in it when it was full

  52. Renee Lefort

    Renee Lefort

    Prieš 2 dienas

    You do some really cool stuff on your Chanel that I love to watch I just worry about how negatively it will impact the environment. Maybe you could do an experiment focused on helping with our plastic problems or contaminated water problems....just a thought

  53. C.I.A Central Intelligence Agency

    C.I.A Central Intelligence Agency

    Prieš 2 dienas

    0:42 bug

  54. /** caz **\

    /** caz **\

    Prieš 2 dienas

    7:16 Thank me later

  55. Dr Duke

    Dr Duke

    Prieš 2 dienas

    Kid in back “Goodbye camera” Me: I hear you Kid “Goodbye camera” Me I get it Kid “Goodbye camera” Me is it too late to abort a 6 year old kid

  56. MagmaVortex


    Prieš 2 dienas

    Imagine being on a plane and seeing that

  57. Owen Vale

    Owen Vale

    Prieš 2 dienas

    The kid at 8:09 screaming GOODBYE CAMERA really got me. He just kept on screaming it again and again. 😂😂

  58. MattS3NTM


    Prieš 2 dienas

    Dewalt fn sucks

  59. Cutie Patootie

    Cutie Patootie

    Prieš 2 dienas

    “IM ALIVE” -Kevin 2020

  60. Cutie Patootie

    Cutie Patootie

    Prieš 2 dienas