Vitenskap og teknologi

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: MarkRoberNOplayer
TWITTER: #!/MarkRober
INSTAGRAM: markrober


  1. Mark Rober

    Mark Rober

    5 måneder siden

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

    • VinnyDoesRblx


      12 dager siden


    • sharky1738ftw plays

      sharky1738ftw plays

      13 dager siden

      ur the best NOplayerr

    • br0oke Thomas

      br0oke Thomas

      20 dager siden

      Here is my kidney 💁‍♀️

    • Anmol Shrestha

      Anmol Shrestha

      Måned siden

      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

      2 måneder siden

      My class watches you for science

  2. Twiggy Pan Cake

    Twiggy Pan Cake

    3 timer siden

    Does even elephants have teeth

  3. Popa Gabriel

    Popa Gabriel

    8 timer siden


  4. 10k subs challenge I upload hacks and lyrics

    10k subs challenge I upload hacks and lyrics

    8 timer siden

    O:43 what is that

  5. CharleBro


    9 timer siden

    damn u really did science bob dirty like that

  6. Calum Benton

    Calum Benton

    9 timer siden


  7. Drsch 13

    Drsch 13

    18 timer siden

    Next up cotton candypool

  8. IncapacitatedFrog Bum

    IncapacitatedFrog Bum

    18 timer siden

    -WAIT- Did grant die or something?!?!

    • JoE MaMa P

      JoE MaMa P

      14 timer siden

      IncapacitatedFrog Bum yeah he did

  9. IncapacitatedFrog Bum

    IncapacitatedFrog Bum

    18 timer siden

    Oh my gosh who pick the music for these videos??? It's literally the best

  10. Yeet Mageet

    Yeet Mageet

    19 timer siden

    Mark was putting his foam on children

  11. Brandon Martinez

    Brandon Martinez

    19 timer siden

    Hot I mean

  12. Brandon Martinez

    Brandon Martinez

    19 timer siden

    Is that really hor

  13. Chase Graupman

    Chase Graupman

    21 time siden

    Next video - Largest Poop Taken By Man

  14. jovani checo

    jovani checo

    23 timer siden

    This deserves a like and a new subscriber

  15. ihearttoys


    23 timer siden

    Kid:” good bye camera!” camera that was at the bottom of the pool: *am I a joke to you?*

  16. Viral Bilwal

    Viral Bilwal

    Dag siden


  17. Nekros


    Dag siden


  18. Richard


    Dag siden

    Next time take the lids off the buckets. If you are on a time crunch that will save minutes.

  19. Kairo Z

    Kairo Z

    Dag siden

    This is what we should do for little science volcano projects.

  20. megamastergaming


    Dag siden

    0:43 anyone see that bird fly by?

  21. CoolAsFreya


    Dag siden

    The 4 colors of spinning elephant toothpaste is so satisfying

  22. FOR YOU Vlogs

    FOR YOU Vlogs

    Dag siden


  23. proud pioneer

    proud pioneer

    Dag siden

    Did anyone else catch that dragon fly? 0:42 haha

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  26. Nio


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    David Dobrik: Hold My Orange Juice

  27. Andrea Palmer

    Andrea Palmer

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    0:41 am i the only one who saw that fly behind him

  28. Chris I

    Chris I

    Dag siden

    What music at 2:28

  29. Chris I

    Chris I

    Dag siden


  30. Irish iz

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    Dag siden

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  31. Owinn Liske

    Owinn Liske

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    You guys always give it a 110% ; )

  32. Flyer Elite

    Flyer Elite

    2 dager siden

    Why am I just seeing this? I didn't ask to see it.

  33. Console clan gaming

    Console clan gaming

    2 dager siden

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  34. commenter Lerious

    commenter Lerious

    2 dager siden

    Mr mark rober

  35. Keira - Home

    Keira - Home

    2 dager siden

    the moment all of you guys have been waiting for 7:15 thank me later

  36. SEVƎN


    2 dager siden

    Every other youtube channel does the elephant soap thing Mark Rober explains the thing

  37. Fred Krazé

    Fred Krazé

    2 dager siden

    And dedicated to Grant, couldn't have been more fitting that that!

  38. HC R

    HC R

    2 dager siden

    He's the guy in math problems who buys 20 bottles of dish soap

  39. TurtlePlayzYT


    2 dager siden

    2:35 wait wasn’t the camera supposed to burn to pieces

  40. ClassyCabbage


    2 dager siden

    Mark Rober: “worlds largest elephant toothpaste” Nick Uhas: “Challenge expected”

  41. Troller Gain

    Troller Gain

    2 dager siden

    Tell the kid in the back saying god bye camera to shut up like we get

  42. No U

    No U

    2 dager siden


  43. Holly


    2 dager siden

    just imagine that mess from an airplane view...

  44. JustChillin'


    2 dager siden

    Mark : invents amazing things Also Mark: AAAAAAAAAHHHHHHHHHHHH there's a cockroach, get it of MMMMMMMMMEEEEE

  45. Scott Powers

    Scott Powers

    2 dager siden

    that death box is a full go

  46. Sweet Candy

    Sweet Candy

    2 dager siden


  47. Capitol.


    2 dager siden

    Did you get demonetised?

  48. Hudson Bakker

    Hudson Bakker

    2 dager siden

    One kid:well good by camera

  49. chirs notreallychisrt

    chirs notreallychisrt

    2 dager siden

    Why dont try all the things at once

  50. Kato - 713

    Kato - 713

    2 dager siden

    Mark Rober, the only youtuber that can legally say,don’t worry I’m a rocket scientist.

  51. I will eat u Ok

    I will eat u Ok

    2 dager siden

    All those kids with there shirts off are hot 😫😫😩🥵

  52. Connor Looney

    Connor Looney

    2 dager siden

    What happens if u touch it

  53. Jayden


    2 dager siden

    Mark rober: *Spends months* Mark Rober: *shows nieces* David: let’s beat the record. no showing nieces. All the fun is for us.

  54. Thenu Suthaharan

    Thenu Suthaharan

    2 dager siden

    3:32 Microsoft should take note

  55. off road guy gavin

    off road guy gavin

    3 dager siden

    If it releases oxygen would it be flammable

  56. Danae Knorst

    Danae Knorst

    3 dager siden

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  57. Zachary Cammarano

    Zachary Cammarano

    3 dager siden

    I have never ben on a slip and slide

  58. Daniel Rice

    Daniel Rice

    3 dager siden

    was he wearing king of random shirt RIP

  59. Katelyn Yen-Vy Ngo

    Katelyn Yen-Vy Ngo

    3 dager siden

    I feel bad..😢 his certificate was ripped apart...

  60. Dank Gamer

    Dank Gamer

    3 dager siden

    Mark: *BUILDS A CONTRAPTION TO TAKE REVENGE ON KIDS* Kids: *Use the ammo of his own contraption to attacc him*