Wetenschap en technologie

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: lastpass.onelink.me/HzaM/2019Q3AugustMarkRober
Science Bob's Elephant toothpaste recipe- sciencebob.com/fantastic-foamy-fountain/
Here is Science Bob’s behind the scenes commentary:

0:00 - Marimba Idea - Blue Wednesday soundcloud.com/bluewednesday/
0:15 - Arrow (Instrumental) - Andrew Applepie andrewapplepie.com/
1:08 - Dansez - Fasion soundcloud.com/michalgallo/dansez-fasion-beats-music
1:35 - Pata Pata - Miriam Makeba (Matt Cherne Remix) www.chernebeats.com
2:25 - Dive - Lvly www.epidemicsound.com/track/4JmHD4z5Bj
3:49-6:40 - Dansez - Fasion soundcloud.com/michalgallo/dansez-fasion-beats-music
6:44 - Kalimba Jam - Blue Wednesday soundcloud.com/bluewednesday/
8:16 - Salamanca - Sarah, the Illstrumentalist soundcloud.com/sarah2ill
9:47 - Kalimba Jam - Blue Wednesday soundcloud.com/bluewednesday/
10:12 - Q - Blue Wednesday soundcloud.com/bluewednesday/
11:06 - Too Happy to be cool by Notebreak soundcloud.com/notebreak/dubstep-too-happy-to-be-cool

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- teespring.com/stores/markrober

I make videos like this once a month all year long while supplies last:
CHECK OUT MY CHANNEL: tinyurl.com/MarkRober-NLplayer
FACEBOOK: MarkRoberNLplayer
TWITTER: #!/MarkRober
INSTAGRAM: markrober


  1. Mark Rober

    Mark Rober

    5 maanden geleden

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

    • VinnyDoesRblx


      13 dagen geleden


    • sharky1738ftw plays

      sharky1738ftw plays

      14 dagen geleden

      ur the best NLplayerr

    • br0oke Thomas

      br0oke Thomas

      21 dag geleden

      Here is my kidney 💁‍♀️

    • Anmol Shrestha

      Anmol Shrestha

      Maand geleden

      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 maanden geleden

      My class watches you for science

  2. Twiggy Pan Cake

    Twiggy Pan Cake

    Dag geleden

    Does even elephants have teeth

  3. Popa Gabriel

    Popa Gabriel

    Dag geleden


  4. 10k subs challenge I upload hacks and lyrics

    10k subs challenge I upload hacks and lyrics

    Dag geleden

    O:43 what is that

  5. CharleBro


    Dag geleden

    damn u really did science bob dirty like that

  6. Calum Benton

    Calum Benton

    Dag geleden


  7. Drsch 13

    Drsch 13

    Dag geleden

    Next up cotton candypool

  8. IncapacitatedFrog Bum

    IncapacitatedFrog Bum

    Dag geleden

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

    • JoE MaMa P

      JoE MaMa P

      Dag geleden

      IncapacitatedFrog Bum yeah he did

  9. IncapacitatedFrog Bum

    IncapacitatedFrog Bum

    Dag geleden

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

  10. Yeet Mageet

    Yeet Mageet

    Dag geleden

    Mark was putting his foam on children

  11. Brandon Martinez

    Brandon Martinez

    Dag geleden

    Hot I mean

  12. Brandon Martinez

    Brandon Martinez

    Dag geleden

    Is that really hor

  13. Chase Graupman

    Chase Graupman

    Dag geleden

    Next video - Largest Poop Taken By Man

  14. jovani checo

    jovani checo

    Dag geleden

    This deserves a like and a new subscriber

  15. ihearttoys


    Dag geleden

    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 geleden


  17. Nekros


    2 dagen geleden


  18. Richard


    2 dagen geleden

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

  19. Kairo Z

    Kairo Z

    2 dagen geleden

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

  20. megamastergaming


    2 dagen geleden

    0:43 anyone see that bird fly by?

  21. CoolAsFreya


    2 dagen geleden

    The 4 colors of spinning elephant toothpaste is so satisfying

  22. FOR YOU Vlogs

    FOR YOU Vlogs

    2 dagen geleden


  23. proud pioneer

    proud pioneer

    2 dagen geleden

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

  24. A man's world

    A man's world

    2 dagen geleden

    Holi is coming here in India

  25. TheNukedNacho


    2 dagen geleden

    “I think I’m about to get demonetized.” NLplayer: Couldn’t have said it better myself.

  26. Nio


    2 dagen geleden

    David Dobrik: Hold My Orange Juice

  27. Andrea Palmer

    Andrea Palmer

    2 dagen geleden

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

  28. Chris I

    Chris I

    2 dagen geleden

    What music at 2:28

  29. Chris I

    Chris I

    2 dagen geleden


  30. Irish iz

    Irish iz

    2 dagen geleden

    Your wife must REALLY love you.

  31. Owinn Liske

    Owinn Liske

    2 dagen geleden

    You guys always give it a 110% ; )

  32. Flyer Elite

    Flyer Elite

    2 dagen geleden

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

  33. Console clan gaming

    Console clan gaming

    2 dagen geleden

    wait mark has a son

  34. commenter Lerious

    commenter Lerious

    3 dagen geleden

    Mr mark rober

  35. Keira - Home

    Keira - Home

    3 dagen geleden

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

  36. SEVƎN


    3 dagen geleden

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

  37. Fred Krazé

    Fred Krazé

    3 dagen geleden

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

  38. HC R

    HC R

    3 dagen geleden

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

  39. TurtlePlayzYT


    3 dagen geleden

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

  40. ClassyCabbage


    3 dagen geleden

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

  41. Troller Gain

    Troller Gain

    3 dagen geleden

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

  42. No U

    No U

    3 dagen geleden


  43. Holly


    3 dagen geleden

    just imagine that mess from an airplane view...

  44. JustChillin'


    3 dagen geleden

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

  45. Scott Powers

    Scott Powers

    3 dagen geleden

    that death box is a full go

  46. Sweet Candy

    Sweet Candy

    3 dagen geleden


  47. Capitol.


    3 dagen geleden

    Did you get demonetised?

  48. Hudson Bakker

    Hudson Bakker

    3 dagen geleden

    One kid:well good by camera

  49. chirs notreallychisrt

    chirs notreallychisrt

    3 dagen geleden

    Why dont try all the things at once

  50. Kato - 713

    Kato - 713

    3 dagen geleden

    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

    3 dagen geleden

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

  52. Connor Looney

    Connor Looney

    3 dagen geleden

    What happens if u touch it

  53. Jayden


    3 dagen geleden

    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

    3 dagen geleden

    3:32 Microsoft should take note

  55. off road guy gavin

    off road guy gavin

    3 dagen geleden

    If it releases oxygen would it be flammable

  56. Danae Knorst

    Danae Knorst

    3 dagen geleden

    David dobrik won

  57. Zachary Cammarano

    Zachary Cammarano

    3 dagen geleden

    I have never ben on a slip and slide

  58. Daniel Rice

    Daniel Rice

    3 dagen geleden

    was he wearing king of random shirt RIP

  59. Katelyn Yen-Vy Ngo

    Katelyn Yen-Vy Ngo

    4 dagen geleden

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

  60. Dank Gamer

    Dank Gamer

    4 dagen geleden

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