Scaling Up Centrifugal Forces On A GIANT Sit n Spin
Today, we supersize the Sit n Spin to test out different physical forces like centripetal and centrifugal forces! What is inertia??
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This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Have fun, but always think ahead, and remember that every project you try is at YOUR OWN RISK.
This video is dedicated to our friend and founder Grant Thompson- the one and only King of Random.
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  • The King of Random
    The King of Random

    What other fun toys should we supersize in the name of science???

    • yoyo 345345
      yoyo 345345

      make a motorized version

    • Kevin W
      Kevin W

      Giant Stretch Armstrong

    • jmt8706

      That plastic red car with a yellow roof that kids ride in.

    • Lotte loves
      Lotte loves

      A jojo, yoyo.

    • Dillon Keen
      Dillon Keen

      @Ailsa Gear colin furze did something extreme like that, search colin furze super swing or something


    this is the pinnacle of scientific achievement

  • Braden Williams
    Braden Williams

    You guys should make a big sit and spin with ferrofluid

  • Alina Ponce
    Alina Ponce


  • Felix Jameson Evans
    Felix Jameson Evans

    There’s no such thing as centrifugal force, it’s called centrapetal force

  • John Twelvegage
    John Twelvegage

    great amazing new Woman, much more sympathic than cali . Interesting Video as always !!! 👍🏻👍🏻

  • Grace Thomas 101
    Grace Thomas 101

    Grace is just like me and hasn’t done many cool stuff is excited to try new things and ironically my name is Grace

  • WillowTheLacera

    Once during online class, my teacher was at home and his small child was playing on a sit-and-spin. He mentioned it, and said something along the lines of "Not that any of you have used a sit-and-spin". Without missing a beat, I replied "Bold of you to assume that I don't use a sit-and-spin".

  • Nagato Sama
    Nagato Sama

    That name, they could not have picked a better name

  • Mosept Yagami
    Mosept Yagami

    Oml I had one of these as a kid and I loved it so much-

  • Carter Griswold
    Carter Griswold

    Did nobody realize grace's Gucci belt?

  • Kyosuke

    This reminds me of the time I was inside one of those amusement park rides where it holds you against a wall as it rotates. Probably not the smartest idea to be doing sit-ups because I had my whole sense of balance and direction thrown off for two weeks. Luckily I don't vomit when I'm nauseated, but it was probably the worst I've had. I don't recommend it. It was all for science.

  • Adam Pond
    Adam Pond

    you should do something with mark Rober

  • Silly Jared's TV
    Silly Jared's TV

    A sit spin was my favorite toy when I was a little boy. This video makes me want to build bigger one sometime. Nice Work!

  • Musiclover KeKe
    Musiclover KeKe

    One of my favorites toys as a kid !!! Hours on that thing !!! I'm pretty sure mine was purple and green !

  • Jordy Farmer
    Jordy Farmer

    Grace is low key hot

  • Daniel Botts
    Daniel Botts

    Grace is an adult kid

  • rap freak
    rap freak

    Grace is so annoying, I hope she is just a temporary host. Nate and Cali are amazing!

  • Tate Plays8
    Tate Plays8

    Pretend grace doesn’t have Gucci belt

  • Nicholas Rinaldi
    Nicholas Rinaldi

    aww, Grace did an episode! :D Nate's there to help

  • jay jay yo mama
    jay jay yo mama

    did you break up with that other girl and your with that girl

  • Kelsea Polk
    Kelsea Polk

    I love this video.

  • riuphane

    You guys didn't try accelerating by pulling your mass inward! That's honestly the best part and a great demonstration of conservation of momentum!

  • FirstName LastName
    FirstName LastName

    Uh, Nate? Might want to pay a little more attention to your terminology. At 5:20 you said, "I measured the _diameter_ of the ring; I divided that in 2 to get the _circumference..."_ but you can't find _circumference_ by dividing _diameter_ by 2! I think you meant _radius._

  • random guy28
    random guy28

    What happened to Callie? Nate pls respond I want to know

  • Steph Akurox
    Steph Akurox

    3:22 hey you can build a Stargate replica with this ! LOL

  • Johnny Malinowski
    Johnny Malinowski

    Notice how once they aren’t sponsored by Lenovo they use an ipad

  • Joseph Vaughn
    Joseph Vaughn

    Put a motor on it

  • Raid

    Wait where is Callie

  • Bird Cat
    Bird Cat

    Gimme gimme

  • Tiffany Vert
    Tiffany Vert

    What happened to cali

  • Teddy O'Brien
    Teddy O'Brien

    Love Grace's drawing/whiteboard section. Definitely worth doing more of.

  • Reketz

    I'm surprised Callie is not in this vid lol

  • Mr pumpkin 🎃
    Mr pumpkin 🎃

    Just stick a pole in the ground and go from there

  • James II Ravelo
    James II Ravelo

    The doodle made wanna see a version done in RTAA style lol

  • Fury_Overscore

    Does anyone realize that Nate is one head taller than Grace

  • Joey Sinykin
    Joey Sinykin

    Why don’t we see Callie that much

    • Tyler Dulski
      Tyler Dulski

      She has a side business as a baker so she is probably busier now

  • tiffanie puczylowski
    tiffanie puczylowski

    I once had one I found it in Staorge today

  • Kawaii

    I appreciate the fact that you went more into the science of why this works like it does

    • Frank Sonatra
      Frank Sonatra


  • Lord Megatron Doesn't do Dark Energon
    Lord Megatron Doesn't do Dark Energon

    Oh the nostalgia of spinning myself until I got a headache and nearly puked. I loved it as a kid but now I get motion sickness, lol

  • E2qNX8btraQ3zRD6J7fc

    5:23 - you measured the diameter and divided that by 2 to get the radius, not the circumference.

  • oofyoofoof

    The sit n spin that's what they called me in highschool lol It's a joke don't take it seriously

  • Nicholas Vanderbloom
    Nicholas Vanderbloom


  • A.sasbry Asas
    A.sasbry Asas

    Omg yous should put like a handle on, off a bike pedal

  • TheNerd

    As soon as I saw Nate wearing the earbuds, I was like sponsor time.

    • Tyler Dulski
      Tyler Dulski

      I think he was just wearing them like ear plugs while he was using the saw

  • Samuel Foley
    Samuel Foley

    Haven't they done this before

  • Mama's Eve
    Mama's Eve

    Grace is a hole other level of funny ... The demonstration she did feeling like ur flipping over ur self 😭😂... Priceless!!!..

  • Austin Savage
    Austin Savage

    Where’s Kevin

  • Murilo Pirri Alves
    Murilo Pirri Alves

    When you divide the diameter by two you get the ratio not the circumference... I know yes c=2(pi)r. Just the phrasing is skipping some steps.

  • Macey Martin
    Macey Martin

    But.... it's not much bigger than the original lol

  • Heather George
    Heather George

    I love the F.R.I.E.N.D.S reference at 3:57

  • Brett

    Not her again...

  • Threw The Looking Glass
    Threw The Looking Glass

    they made aluminum ones that are for adults. when i was 10 . 25 years ago

  • Stealthee 3k
    Stealthee 3k

    I love that Grace painted her own hands.

  • Stealthee 3k
    Stealthee 3k

    I remember my cousin had a sit n spin when we were kids. We would spin ourselves until we thought we were going to puke, then do it again.

  • James Dicks
    James Dicks

    It seems like a certain someone in this video isn't having a great day

  • coolfish4

    are the other people on tkor her servants because she is the only one with a Gucci belt

  • Evie Fairchild
    Evie Fairchild

    Asking TKOR to deep fry glue until they do. Day 1

  • Mtn. Drew
    Mtn. Drew

    You opened up a memory that I doubt would have been opened with out this video

  • hi hi
    hi hi

    What episode and season of friends is that ?

  • buderp

    Where is Caley

  • Ashutosh Agarwal
    Ashutosh Agarwal

    isnt she so cute

  • bigjohn3435

    nobody explained the primer for the pvc glue, does that glue not require primer?

  • Turtlemaster 326
    Turtlemaster 326

    I’m not sure this is as much science anymore, as building fun toys and disguising it as science to write it off as a work expense, lol

  • Florence Dahl
    Florence Dahl


  • Thai Tran
    Thai Tran

    Why she wearing a gucci belt for

  • Rj Ryan
    Rj Ryan

    When is cali

  • Emily 102102
    Emily 102102

    I used to love my sit and spin! It even had flashing light and music that played on the top 😎

  • Shubham Saraf 1094
    Shubham Saraf 1094

    This was one of the dopest experiments!

  • Dude On A Cow
    Dude On A Cow

    Nate is so chill while Grace is so hyped.

  • Zoey Gillard
    Zoey Gillard

    i love this video i love this video i love this video. the way y’all literally explained everything tysmmm

  • ThePrufessa

    She is flexing that Gucci belt buckle

  • Tashara Anderson
    Tashara Anderson

    Do something with pepper spray! We need to know what happens when you freeze it and when you light it on fire!!!

  • Shaostoul

    Motorized sit n spin with weight balancing?

  • Kaitlin Parkhill
    Kaitlin Parkhill

    My son has the exact same sit n spin. He’s almost 4 and was super excited to watch this video!

  • Khady Moffett
    Khady Moffett

    This is how many times they said “sit and spin “ 👇🏾

  • Thomas Collins
    Thomas Collins

    😆. That's real cool!

  • Michael Merriam
    Michael Merriam

    "That makes you FEEL like you're going to go flying off."??? Pretty sure I would fly off the Merry-Go-Round at the park whenever I got that thing up to speed and didn't hold on!

  • Razor Hardbroom
    Razor Hardbroom

    wait wheres Calli

  • Félix Roy-Morel
    Félix Roy-Morel

    It looks to me like you were not feeling great today, Nate.. :(

  • watermelon craft
    watermelon craft

    Is it just me or do nate and Callie not just in this video but in most videos lately seem less child like and more sad

  • j5155

    You should make a giant Lego man

  • Jack Teng
    Jack Teng

    The TKOR team. Making fun toys; lowing things up; misusing everything but making it more fun. 😎💥🔥

  • Leader Games06
    Leader Games06

    I really love the fact that Nate actually uses Raycon earbuds, despite them sounding terrible.

  • vehemently chaotic
    vehemently chaotic

    u like Grace, she's funny

  • Bryce Cockrell
    Bryce Cockrell

    Like this girl so much more than The red headed girl. Much less annoying

  • Game on 360
    Game on 360

    Can you please do some life hacks please like the old time’s

  • EnAimBoy

    When I was little I used to call this the "spit and sin"😂

    • Mr pumpkin 🎃
      Mr pumpkin 🎃

      Foreshadowing your shady future 🤣

  • Tobi Smasher
    Tobi Smasher

    Y’all need something better to do with your time

  • Aaron D
    Aaron D

    THEY STILL MAKE THESE!? 😲 I'm 44 and had one when I was like 6!

  • Tanner Brown
    Tanner Brown

    You should experiment with a sit n spin functioning with magnets and Ferro fluid

  • Death Before Dishonor
    Death Before Dishonor

    I love Grace. She's just a big happy kid at heart. We need more Grace on the show!

  • TheBroGamingChannel

    Centripical? Lol we know what you meant 😂

  • Metal Monkey
    Metal Monkey

    Were Grace, Kevin and Kennan brought in to appeal to the younger audience? Grace and Kevin have a very "kids tv show" approach to their presenting and Kennan has the same approach to explaining science. It's not a bad thing, just an observation

  • Mr pumpkin 🎃
    Mr pumpkin 🎃

    These are common in England and called roundabouts, they are in every park and they are way bigger than that, and big enough for adults, Americans must live a sheltered life


    They have nothing else to do so it gives them an exuse to play with toys.

  • juno apta
    juno apta

    this remember me of Gyro Zeppely

  • mr.toemann

    Trees dry ice

  • Absolute

    Thought it was gonna be bigger still seems kinda small.

  • Dev Gohil
    Dev Gohil

    9:13 Thats what she said 😂😂😂

This Is Not An Egg Yolk
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