World's Largest Toy Catapult

[@Ryan-gi8uh]

Mark Rober and Science Bob are such a amazing duo it warms my heart 😊

[@JacalStudios]

Is it just me or.... WAS THAT IMPRESSION OF MARK ABSOLUTELY INSANE!?!?😮

[@tobbyman3d]

It was

[@j.corbygaming]

Ngl, Science Bob should have his own videos once in a while, he’s pretty cool.

[@jmg999]

This was very cool! It's great that actual subscribers participated in the build process.

[@cmel7841]

love these builds with stuff laying around the lab, thanks for inspiring the next generation Mark and everyone

[@TheAwesomeAnan]

3:48 sounded exactly like him!

[@maingron]

Ye, that came really unexpected lol

[@ezstudiosA113]

It took awhile to master that voice! Glad you all like it :)

[@maingron]

@@ezstudiosA113 Thought it wasn't edited. I'm not even sure what's more impressive tho.

[@Zaxz-hh1dh]

I thought he was lip sinking 😂

[@PIZZAR0LL.]

So now we know what happens when mark’s not around

[@Amethyst726]

😂

[@neutralise-to-save-the-world]

lol

[@aysunderyal3992]

lol

[@ronnie6389]

Iol

[@raymondbailey2142]

Cat’s away the mice will play 😀

[@judyhowe2082]

THAT WAS GREAT Science Bob and team! 🙋🏼‍♀️👏👏👏👏👏🎉🎉🎉🎉🎉🎉

[@shadesco]

3:49 ain’t gonna lie, he is pretty good
Edit: I can no longer listen to that kid without hearing Mark Rober in his voice, I wish I hadn’t heard that now.😂

[@avenja27]

I love this! Mark wasnt in the video completely, but the science shines overall

[@uruuphiil8335]

loved your symphonic choice of music at the back part of the video! cheers.

[@Ryan-gi8uh]

Next giant CrunchLabs Kit.
Tripwire, or Mirror Bank

[@strange_weird]

only 488 views when I got here. Love Your Stuff Mark!!

[@ZzzzZz-pk2yq]

Hooray for Science Bob! Always like videos he’s involved with.

[@hhsyw]

We are going to trending page with this one

[@SohamMallela]

Crunchlabs for Ever!!!!

[@hectorcorredor54]

PHAR GUS ZIPLINE IS THE BEST!!!!

[@bethmalmin5675]

This is the coolest chain reaction I’ve ever seen

[@leotragen3512]

Yooooo I love these videos

[@nettynette8697]

that was epic!

[@minerman4047]

This looks so fun😮😊

[@natepopow]

That really was felt all around the world

[@peako11]

I thought Mark was going return like a video or two later 💀

[@cory4167]

More science Bob please!

[@EliasJackson-d5p]

please please do a video on 3d printing, how they work, how to make one, and what are the advantages of having one

[@Arcturuseyes]

It's always nice to see Bob.

[@Toothless_NIGHT_FURY]

that was so fun to watch

[@jeffluhn4514]

LOL the rule where guests clean up

[@eCommKen]

I love everything about this video. So good! 😂

[@tophercox8897]

Bob is the BEST!!!!!

[@ZzzzZz-pk2yq]

This is so great!!

[@PBandJ_sandwhich]

Crunchlabs!!!

[@jackie1999ism]

That was amazing iam crying tears of joy

[@curtsandvig1802]

I LOVE THIS!!!!

[@keonihines3615]

I guess Mark was also disapointed considering that they had to disassemble his favorite bike.

[@senorbinario2855]

AMAZING!!! 🤩🤩🤩

[@officialpaperbagman]

that intro was spot on 😂

[@sheplaysafender]

This was aweeeesomeeee

[@OrfeasEfthimiou]

the better these games

[@NanettePolvinale]

That…was an insane mark rober impression

[@brage218]

The end💀

[@BluefoxYT7842]

Legend has it, they are still cleaning up to this date.😂😂

[@freethebirds3578]

Rube Goldberg lives forever!

[@joshuaadamstithakayoutubel2490]

I think that’s a world record!

[@Xfruster]

Fire🥶👌

[@reabbotted]

You forgot OK Go's invitation.

[@juliasmommy21709]

Science Bob Should Own The Crunchlabs Yotube Chanle

[@hohoiboshi8654]

I wonder how many times did you restart antill it worked perfectly?

[@travelstargalactica8592]

SICK!

[@YoungMasterJedi]

here before it gets 20k views and before 4 hours club
👇

[@101k_with_no_video]

how does it still qualify as a toy catapult at that size?

[@Cosmosable]

Amazing

[@aljoag1]

BOB IS SO FUNY

[@cmdraftbrn]

that was a pretty good impression

[@blancanava9294]

3:48 marks voice impression

[@jasonouellet8611]

Dude Perfect has some competition

[@Blitz-W-LFn]

People who thinks mark is the best
👇

[@keonihines3615]

He did a good job pretending to be Mark

[@JenniferHorst-r7d]

Make a video of the eclipse

[@Ema-tr8md]

WOW!!!!🤯

[@Roboman_7]

1 hour club boiz

[@mrjeffreyweiss]

make worlds biggest chain reaction

[@Arcturuseyes]

My heart is warmed completely.

[@KerryCoad-pf5zh]

Didn’t you teach us how make the perfect paper airplane

[@АртемТкаченко-м2б]

Wow

[@LunarFragger]

Cool

[@jeffwaltz6340]

good

[@tortigato_7]

nice

[@adam.521]

Awesome as

[@eemilhamalainen]

Hi

[@Puppy_Cup12]

Mark Rober are you dyslexic and can you make a video about dyslexia

[@phoenixrising341]

Under 27 minutes ya’ll!!!

[@Masked_Killer1]

Let’s go child, labor, bum, bum, bum bum bum

[@JJ_Jordam]

10/10

[@holmescompletetreecare8356]

10sec

[@Ductwrgya404]

10 sec

[@dolorierawley7397]

WOW

[@Cactus-l7m]

:)

[@Roboman_7]

30th

[@Shdow-fn]

mark

[@idkwhattoputherehelpme]

Seriously...

[@legoanimationnation326]

First ten minutes gang👇

[@MRsweat133]

How your son

[@BarryStoltz]

No avens Mark but you are my second favourite TH-camr ghgh Mr beast is better

[@Grayman412]

Wow