How Does a Clicky Pen Work?

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  • เผยแพร่เมื่อ 16 ต.ค. 2015
  • Even if you've taken one of these apart - it's still hard to understand how it works! Lucky for us, we've got 3D animation on our side.
    Get your clicky pen here: amzn.to/2z9SoFO
    Watch more videos:
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    Made with Blender 2.75
    Music: Monks by Topher Mohr and Alex Elena (TH-cam Audio Library)
    #clickypen #mechanical #b3d
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ความคิดเห็น • 753

  • @Christopher-lh2ff
    @Christopher-lh2ff 5 ปีที่แล้ว +1330

    I only knew this from the hours of boredom school has brought me😂

  • @richiie8024
    @richiie8024 4 ปีที่แล้ว +200

    0:28 lmao like we didnt know that from school boredom lol

    • @reddskyy9133
      @reddskyy9133 4 ปีที่แล้ว +16

      Today I was so bored I tried speed running assembling and disassembling my mechanical pencil

    • @Yuglooc
      @Yuglooc 4 ปีที่แล้ว +4

      Yo same dude I did that once and I challenged my classmates.

    • @MasterBeiberEverything
      @MasterBeiberEverything 4 ปีที่แล้ว +1

      i never did this huh

    • @crazycat1380
      @crazycat1380 4 ปีที่แล้ว +3

      Anyone who's ever had one of those in school has taken it apart *ATLEAST* once

    • @skanyone2602
      @skanyone2602 3 ปีที่แล้ว

      @@crazycat1380 Yeah! I sometimes broke it... So many lost springs and cams...

  • @HenkdeYouTubesteen
    @HenkdeYouTubesteen 5 ปีที่แล้ว +90

    This is the video I've been looking for since I was a 5y old

  • @Magst3r1
    @Magst3r1 5 ปีที่แล้ว +293

    I opened a pen once and i rearanged some of the stuff and somehow made a small canon lol

    • @Juan-ng7rs
      @Juan-ng7rs 5 ปีที่แล้ว +14

      I did too, but i found out about it from my friend

    • @benharris211
      @benharris211 5 ปีที่แล้ว +91

      At school, I think we made a similar item of what your describing. We called them penetrators. Get it? We took out the ink cartridge and flipped it so it came out of the back of the pen. Next we either got rubber bands or the built in spring and attached in a way so that when we pulled the back of cartridge and released it would 'fire.' They were extremely lethal. After one or two were made, the whole grade caught on so we went to the shops buying the items needed to make them.
      One day we had a relief teacher, an old lady with a temper. Some idiots started firing the ink cartridges at her, thankfully missing, but hit the data projector screen instead. They got caught, and the teachers did a search of our bags and pencil cases, one kid had an assembly line in his bag for mass production. So, yeah that was grade 8 for me. We didn't have school shootings, we had penetrators.

    • @aspodermousstoplight100
      @aspodermousstoplight100 5 ปีที่แล้ว +3

      Me too, but with a led one.

    • @xeno4445
      @xeno4445 5 ปีที่แล้ว +3

      pretty sure all you need to do is put the spring before the cartridge

    • @rumahhafidzahbekasi1354
      @rumahhafidzahbekasi1354 5 ปีที่แล้ว +7

      @@benharris211 what? The kid has an asembly line on his backpack?

  • @charmin6657
    @charmin6657 4 ปีที่แล้ว +61

    Kid who takes apart pen at school: *the expert*

    • @EHMM
      @EHMM 3 ปีที่แล้ว

      Yes i am the expert

    • @sonetagu1337
      @sonetagu1337 3 ปีที่แล้ว

      *WE*

    • @CatsForLife21
      @CatsForLife21 3 ปีที่แล้ว

      Kid who can fix it again.. Proffessional mashAllah

    • @pinngg6907
      @pinngg6907 3 ปีที่แล้ว

      Me: Oh no my pen dry
      *proceed to take it apart XD

  • @Warhorse26
    @Warhorse26 6 ปีที่แล้ว +112

    Ok... I've used these pens my entire life and I have never been more fascinated about them until just now. Amazing video man! I've watched a lot of your stuff and I absolutely love every one :D Keep up the great work!

    • @yneshAshanti
      @yneshAshanti 2 ปีที่แล้ว

      I know right. Did feel kinda embarrassed not knowing how these everyday things worked!

    • @Nonedless
      @Nonedless ปีที่แล้ว

      You really are a Jared Owen fan! I remember you from many other videos!

  • @jinmoraleda1982
    @jinmoraleda1982 4 ปีที่แล้ว +63

    You didnt need to teach me the parts, i already knew when i was in school

    • @phyrojazeargon3072
      @phyrojazeargon3072 4 ปีที่แล้ว +4

      Then why the hell are you here? 👊

    • @pinngg6907
      @pinngg6907 3 ปีที่แล้ว

      @@phyrojazeargon3072 "curious"

  • @KendallFalk
    @KendallFalk 6 ปีที่แล้ว +51

    my god it took me like an hour to figure out how to put together a pen that was broken, the entire time I thought that the cam went on the top, nope! lol. I would have never guessed, so I took apart one of the other pens. Engineering ftw! It was a very satisfying feeling to get something to work again. That was a work out for my head.

    • @cubig9295
      @cubig9295 5 ปีที่แล้ว

      You could just buy another one if not you are broke!

    • @carageaelvis6321
      @carageaelvis6321 5 ปีที่แล้ว +2

      man.. you are stupid

  • @bookedsam
    @bookedsam ปีที่แล้ว +18

    They're surprisingly robust for all these small plastic components. I took a crappy old pen and clicked it a couple hundred times then put it in water and it was fine

  • @x-90
    @x-90 4 ปีที่แล้ว +187

    I’m pretty sure if you had these in an American School you took these apart and acted like an Engineer dissecting this thing

    • @KingxTankboyx
      @KingxTankboyx 4 ปีที่แล้ว +3

      X-90 i did that

    • @spektr_
      @spektr_ 4 ปีที่แล้ว +4

      X-90 i did that

    • @Vettel5
      @Vettel5 4 ปีที่แล้ว +1

      X-90 i did that

    • @1974moumita
      @1974moumita 4 ปีที่แล้ว +2

      Mine doesnt open, I have to cut through

    • @Chris-uu9ce
      @Chris-uu9ce 4 ปีที่แล้ว +1

      i did that

  • @ceniacandra6622
    @ceniacandra6622 5 ปีที่แล้ว +81

    After i watch this video , i search for click pen .
    After found one its actually has a clear upperbarrel so i can see the mechanism.
    Yes its the same like the video said

    • @e1532
      @e1532 3 ปีที่แล้ว +1

      I had a pen like than once. Thats the main reason why i already know this stuff

    • @pinngg6907
      @pinngg6907 3 ปีที่แล้ว

      same lol. I once had a clear clicky pen

  • @Explore-Gobal
    @Explore-Gobal 6 ปีที่แล้ว +81

    This is alien technology I tell ya, alien fer sure.

    • @crazywolfieleslie6662
      @crazywolfieleslie6662 4 ปีที่แล้ว +3

      R/woosh

    • @alexcerullo3143
      @alexcerullo3143 4 ปีที่แล้ว +5

      Crazy Wolfie Leslie you don’t even know what r/whoosh is so stfu

    • @ripplewavess
      @ripplewavess 4 ปีที่แล้ว

      Crazy Wolfie Leslie I bet your a stupid 5 year old lmao (TH-cam and Jared pls don’t report and remove me)

    • @KagemandenDK
      @KagemandenDK 4 ปีที่แล้ว +6

      @@crazywolfieleslie6662 Did you just woosh the guy that made the joke?

    • @llsanjeev
      @llsanjeev 4 ปีที่แล้ว

      you under estimate the power of human brain

  • @GeorgeCowsert
    @GeorgeCowsert 5 ปีที่แล้ว +11

    The best pens are the ones you can take apart to turn into cannons.
    Just put the spring between the button and the cam and hope the pen has some sort of lip that the cam fits behind but can be pushed past with enough force.
    The Pilot pens seem to be the best for this, but you'll need to do extra modifications if you don't want your parts to go missing.

  • @Peter78730
    @Peter78730 ปีที่แล้ว +4

    Back in the 1950s we had push button light switches in our home. Press once for ON; press again for OFF.
    To make things more complicated, 120 volts was passing through there somewhere.

  • @deefee701
    @deefee701 ปีที่แล้ว +2

    I'm another person who wanted to fix my favourite pen that I dropped and broke. But the whole video was fascinating. I love pens. I hope you still enjoy making these animations.

  • @BangMaster96
    @BangMaster96 5 ปีที่แล้ว +10

    We take so much for granted.
    I would have never guessed that such mechanisms and physics go into making a pen.
    It's amazing, all the things we have in life today, that we don't truly appreciate.

    • @JaredOwen
      @JaredOwen  5 ปีที่แล้ว +1

      It's pretty neat isn't it!

    • @yt_charchit
      @yt_charchit 10 หลายเดือนก่อน

      ​@@JaredOwenindeed

  • @themandalorian9511
    @themandalorian9511 4 ปีที่แล้ว +25

    Jared writing the script:
    “Alright, what should my next video be on?”
    **clicks pen to start writing**
    **gasps**
    *I’VE GOT IT*

    • @JaredOwen
      @JaredOwen  4 ปีที่แล้ว +12

      It almost happened like that😜

    • @pinngg6907
      @pinngg6907 3 ปีที่แล้ว +2

      LMAO XD

  • @andrewslovak1
    @andrewslovak1 6 ปีที่แล้ว +4

    Dude these animations are incredible. Your video on the Apollo missions blew me away. I already knew everything in the video, but the animations were too good not to watch all the way through. Nicely done, you need more subs!

    • @JaredOwen
      @JaredOwen  6 ปีที่แล้ว +2

      Thanks so much Andrew - comments like these help me keep going!

  • @jirkavebr-czmapper8059
    @jirkavebr-czmapper8059 5 ปีที่แล้ว +18

    I am fascinated how much people doesn't understand how something so easy as clicky pen works. Even kids in elementary school that disassembled it for few times can figure out how it works. But it's interesting to see it from the inside.

    • @JaredOwen
      @JaredOwen  5 ปีที่แล้ว +2

      Thanks for your comment Jirka!

  • @sacha8972
    @sacha8972 2 ปีที่แล้ว

    I was trying to fix my clicky pen, all the videos out there only show the steps to follow for each model of pen without explaining the principle of the mechanism. So it doesn't help if your model is different. Your video is a universal help hahaha

  • @EGN.Academy
    @EGN.Academy 4 ปีที่แล้ว +2

    The Best demonstration clip about how the click pen works, very easy to understand... Bravo!!!

  • @karhukivi
    @karhukivi 3 ปีที่แล้ว +2

    Excellent! Thank you for putting so much time and work into this explanation!

  • @IAmzColbz
    @IAmzColbz 5 ปีที่แล้ว +14

    This kind of pen i understand, the type of ped i dont understand are the pens with the plastic wedge between the button and ink cartridge. It like switches sides and somehow is... idk blah

  • @VRWarLab
    @VRWarLab 4 ปีที่แล้ว

    Very good animation, it explains the movement of the moving parts with very accurately!

  • @Romualdomgn84
    @Romualdomgn84 2 ปีที่แล้ว +1

    Thank you for such short and clear explanation!

  • @gyrocompa
    @gyrocompa 7 ปีที่แล้ว

    Very instructive video, many sincere thanks for this amazing job.
    As everybody, I have used these items for decades without understanding how they work, but thanks to you, tonight I will go to bed smarter than when I got up this morning !

  • @prashantppc
    @prashantppc 7 ปีที่แล้ว

    This is a really nice video. Now I know something I tried to know for so many years. Thanks a lot. Great way to explain really complex mechanism

  • @altaccount4697
    @altaccount4697 2 ปีที่แล้ว

    I'm building a revolver-style T-shirt air cannon for a robotics team. Thank you for explaining this mechanism so well, I'm planning use a modified one of these to rotate the revolver drum, driven by the barrel sliding forward and back. Cheers!

  • @SidK26
    @SidK26 7 ปีที่แล้ว

    kudos for you animation work and your efforts..it is simple, good and easier to understand. Never knew a clik pen had such good mechanism :)

  • @vanderaraujo4230
    @vanderaraujo4230 4 ปีที่แล้ว +1

    Yours, is one of the best channels on the internet!!!
    Tkx!!!

  • @Bumblemotion
    @Bumblemotion 2 หลายเดือนก่อน

    Thank you. Everyone pen I disassembled had something covering this part

  • @pinngg6907
    @pinngg6907 3 ปีที่แล้ว +3

    Me, already opening clicky pens millions of times:
    *I'm 4 parallel universe ahead of you*

  • @rosered59
    @rosered59 4 ปีที่แล้ว +2

    THANK YOU SO MUCH! I took apart a pen and couldn’t figure out how to put it back together and I watched this and put it back perfectly (I don’t know how though, the pen was so much different from the one showed but still a click pen) thank you 😊

    • @JaredOwen
      @JaredOwen  4 ปีที่แล้ว

      Glad to help!

  • @EverythingbrothersYT
    @EverythingbrothersYT 3 ปีที่แล้ว +1

    I HAVE BEEN LOOKING FOR THIS FOR SO LONG!! AMAZING JOB

  • @imagesbyraphael
    @imagesbyraphael 3 ปีที่แล้ว

    I was never aware of the hidden guide edges which prevents the cam from sliding back while the pen tip is extended. The other parts we can easily see when we pull the pen apart. Life mystery finally solved thank you. (This video also made me pull apart a pen I had on my desk!)

  • @EazyEVM
    @EazyEVM 2 ปีที่แล้ว

    This was so helpful! The 3-D imagery of the components allowed me to fix my dad's pen, which was given to him as a souvenir from my sister's trip to London. :-)

  • @choco_matcha
    @choco_matcha 7 ปีที่แล้ว +5

    Thanks for the very clear and comprehensive video. It actually gave me inspiration to fix my clicky pen! :)

    • @xdgamerkid
      @xdgamerkid ปีที่แล้ว +1

      did you fix it?

  • @AncientWisdom222
    @AncientWisdom222 ปีที่แล้ว

    Very beautifully explained.

  • @Activistxpeace
    @Activistxpeace 2 ปีที่แล้ว

    In 0:37 seconds I was able to fix a click pen to the first time thank to you. That's the power of genius!

  • @saisaketh6601
    @saisaketh6601 3 ปีที่แล้ว

    It was interesting.
    Thank you, Jared Owen, for making this video because I use to think for hours to together thinking about a click pen.

  • @viveksingh4
    @viveksingh4 3 ปีที่แล้ว

    Too good.....I can't describe how good it is.....
    I just loved it

  • @chrishanner5242
    @chrishanner5242 7 ปีที่แล้ว

    excellent demonstration. I have a vintage clicky pen I'm trying to fix. now I know it's probably the cam that's messed up.

  • @BlueyMcPhluey
    @BlueyMcPhluey 7 ปีที่แล้ว

    phenomenal video, very thorough, thankyou

  • @notionSunday
    @notionSunday 8 ปีที่แล้ว +7

    Enjoyed it.. thanks. Nice work.

  • @00nyoom
    @00nyoom 5 ปีที่แล้ว

    The animation is so smooth

  • @oliluhackle8930
    @oliluhackle8930 5 ปีที่แล้ว

    i found a clicky pen that works in this exact way, and it's kinda clear, and i just watched it click and saw the cam rotate
    never noticed it before, that's really cool

  • @pardeepjatwer4764
    @pardeepjatwer4764 2 ปีที่แล้ว +1

    Hello sir
    I am pradeep jatwer
    From india
    I am fully not understand in English
    But watch your video
    And something something I know
    Your audio
    But your animation video is very
    Help full
    For knowledge
    Thanks 😊👍

  • @rakeshkumar-zd8mj
    @rakeshkumar-zd8mj 4 ปีที่แล้ว

    hey man your videos are awesome.and the way you explain it is commendable.3D animation has revolutionised learing .with the help of this we can easily understand the complex mechanism.TH-cam is becoming the next school for students.keep it up.love from India💕

  • @ebufi7957
    @ebufi7957 2 หลายเดือนก่อน

    I follow the mechanisms as you stated and my pen works. Thank you

  • @danilookovic7971
    @danilookovic7971 ปีที่แล้ว

    Watching this in school since that part behind got me curius.great tutorial

  • @joycehuang8965
    @joycehuang8965 6 ปีที่แล้ว

    Amazing video! Great work, really helped me understand how the pen works.

  • @gworxtaiwan402
    @gworxtaiwan402 4 ปีที่แล้ว

    I am trying to figure out how to make a jig in my tablesaw advance 6.25mm each time. Got my toothed rack and a rotating gear that mesh great. 2 days of tinkering with levers and springs later, it just might be this clicky pen video that solves my tooth by tooth advancement glitch! Subscribed.

  • @charanckck
    @charanckck 3 ปีที่แล้ว

    Easy to understand. Thank you

  • @jaffaji
    @jaffaji 9 หลายเดือนก่อน

    Thank you so much for the knowledge. Great animation.

  • @user-wr2uy9pj4m
    @user-wr2uy9pj4m 4 ปีที่แล้ว +1

    That's crazy!!! I was just thinking about that today at school!!!!
    I figured it out, but I'm still watching for some reason...

  • @sanatanrakshak3726
    @sanatanrakshak3726 5 ปีที่แล้ว +1

    Really appreciate your work. Thanks for educating us.

    • @JaredOwen
      @JaredOwen  5 ปีที่แล้ว

      Your welcome!

  • @LauraEllen999
    @LauraEllen999 6 ปีที่แล้ว +2

    This was awesome, thank you.

  • @PiyushSharma-gw8od
    @PiyushSharma-gw8od 2 ปีที่แล้ว

    I always wanted to know about the principle working inside the body, Thankyou for this informative video.

  • @thedillestpickle
    @thedillestpickle 6 ปีที่แล้ว +2

    Amazing. This was so well done. I wanted to search for a video on this but didn't expect to find anything so well presented as this. Subscribed!

  • @inventorbrothers7053
    @inventorbrothers7053 4 ปีที่แล้ว

    Awesome video! Thank you!

  • @jenboyak
    @jenboyak 3 ปีที่แล้ว

    Thanks... Had a broken pen and this helped me realized another piece was at the bottom of my bag, now i have a working pen again!

  • @brendanfan3245
    @brendanfan3245 3 ปีที่แล้ว

    that is an amazing explanation! Thank you!

  • @win5954
    @win5954 4 ปีที่แล้ว +10

    I learned this the hard way and ink got all over my shirt

    • @KagemandenDK
      @KagemandenDK 4 ปีที่แล้ว

      How? Did you break the ink cartridge?

    • @win5954
      @win5954 4 ปีที่แล้ว

      KagemandenDK bend it and the ink will spill from the back or you can take apart the front

    • @KagemandenDK
      @KagemandenDK 4 ปีที่แล้ว

      @@win5954 Bend the ink cartridge? That's just stupid lol

    • @giannistek1
      @giannistek1 4 ปีที่แล้ว

      @@KagemandenDK Kids do stupid things, you know

  • @TerryRoyer
    @TerryRoyer 8 ปีที่แล้ว +1

    Nice, very informative, I had always wondered how all those parts worked together

    • @JaredOwen
      @JaredOwen  8 ปีที่แล้ว

      +Terry Royer Thanks a lot! Videos like this are a lot of fun to make.

  • @laurenpayne4322
    @laurenpayne4322 2 ปีที่แล้ว

    Your videos are so helpful thank you

  • @jessyjessy3110
    @jessyjessy3110 4 ปีที่แล้ว

    Thanks I needed to fix my favorite pen, I literally just needed to watch 1 minute to fix it thanks for the vid buddy!

  • @XaxtonRevolution2
    @XaxtonRevolution2 ปีที่แล้ว

    Thank you for making this video. I’ve always wondered about this, before I saw this, I thought that maybe it had two cams and each cam was the same kind of cam that’s converts the linear motion on a steam locomotive. I thought that the button press moved the cam, which converted the linear motion into rotational motion, and that that rotational motion turn a wheel whose rotation was restricted to one direction via a ratchet, and the movement of that wheel was attached to a second cam, which converted the rotational movement back into a linear movement. But I was always dubious of that, because these pens never get jammed. So thanks for clearing that up.

  • @SreenikethanI
    @SreenikethanI 5 ปีที่แล้ว +1

    Absolutely amazing and fantastic animation, dear sir.

    • @JaredOwen
      @JaredOwen  5 ปีที่แล้ว +2

      Thank you!

  • @jaisubu26
    @jaisubu26 6 ปีที่แล้ว

    Neatly explained. Thanks!

  • @accountwith16chr44
    @accountwith16chr44 6 ปีที่แล้ว

    Thanks Jared! IT really helped me

  • @mutant3x17
    @mutant3x17 4 ปีที่แล้ว

    Most hard working humans, bring one imagination out for long time, nice videos.....

  • @Orangelina29
    @Orangelina29 3 ปีที่แล้ว

    Jared Owen, you are so talented and gifted 😊

  • @imranhaider8248
    @imranhaider8248 2 ปีที่แล้ว

    Your Videos are worth watching.. just Astonishing work💥💥

  • @PaperCircle
    @PaperCircle 4 ปีที่แล้ว +3

    I swear i feel like Owen teaches me more stuff then my school

  • @rubenproost2552
    @rubenproost2552 2 ปีที่แล้ว

    Someone was clever enough to come up with this design.

  • @Michallote
    @Michallote 4 ปีที่แล้ว

    Amazing job!

  • @R9A9V2
    @R9A9V2 5 ปีที่แล้ว +19

    Clicky pens
    *The most Complicated things that wss invented*

  • @bxella6942
    @bxella6942 2 ปีที่แล้ว +1

    Thank thank you I did not know what was the cam for, you saved my life
    Because my favourite pen fell apart.thank you 😊

  • @cuatropolis2881
    @cuatropolis2881 4 ปีที่แล้ว

    You Sir are a genious, thanks for such nice animation

  • @nuassul
    @nuassul 4 ปีที่แล้ว +2

    Muy bien ilustrado el funcionamiento de este artículo tan común en nuestras vidas. Saludos :-)

  • @modhatechnologies1198
    @modhatechnologies1198 7 ปีที่แล้ว

    what a animation..., excellent video. thanks

  • @apoorvadk9635
    @apoorvadk9635 7 ปีที่แล้ว

    Brilliant video sir!

  • @ukcatsftw
    @ukcatsftw 9 หลายเดือนก่อน

    Thank you so mucho you saved my favorite pen’s life 🙏🏽🙏🏽🙏🏽🙏🏽

  • @mamatasahu2770
    @mamatasahu2770 3 ปีที่แล้ว

    Thanks for this fantastic ideas

  • @aayanscreativelab1786
    @aayanscreativelab1786 ปีที่แล้ว

    Looked complicated but you made it easy!

  • @jmacjames8871
    @jmacjames8871 4 ปีที่แล้ว

    This video found me when I needed it most.

  • @fidogyrenuzanon2335
    @fidogyrenuzanon2335 8 หลายเดือนก่อน

    He should do a video series on how a modern car works. That should give him plenty of content between the engine structure, the door mechanisms, the windshield mechanisms, the gearbox, etc. Plus, he can use the car radio/GPS to take a break on the car and explain how they work.

  • @weredoughz
    @weredoughz 3 ปีที่แล้ว

    I'm glad he also calls it a clicky pen

  • @leo-the-truck7672
    @leo-the-truck7672 4 ปีที่แล้ว

    Hi Jared, you have to explained the mechanism very clear and simple to understand, thank you for that. Just wonder if you could make the same for twist pen mechanism and lipstick mechanism too, as there is no such video on youtube. thanks

  • @timread2623
    @timread2623 6 ปีที่แล้ว

    hey brother happy thanksgiving best of luck to you all the love to you

  • @niiphox93
    @niiphox93 5 ปีที่แล้ว

    Thanks, good explanation and video

  • @caderbavahsiddicl6414
    @caderbavahsiddicl6414 3 ปีที่แล้ว

    Thank for this video brother... And for all your very interesting video...

  • @maysanatomy
    @maysanatomy ปีที่แล้ว

    Hey this video helped me fix my broken pen. Thank you :)

  • @zohraanjum9662
    @zohraanjum9662 3 ปีที่แล้ว

    I didn't knew that a pen has this much science in it.

  • @sarayyumk147
    @sarayyumk147 3 ปีที่แล้ว

    Fantastic video!!!

  • @briannabryan2014
    @briannabryan2014 5 ปีที่แล้ว

    I love these animations. So cool.

    • @JaredOwen
      @JaredOwen  5 ปีที่แล้ว

      Thank you Shelise!

  • @moose200
    @moose200 4 ปีที่แล้ว

    For some reason in sixth grade I was really fascinated in mechanisms that don’t involve lectricity. Most have spring and cams in them but I was just like I NEED TO KNOw

  • @mystic3549
    @mystic3549 ปีที่แล้ว

    omg...never before i realised that :) great job

  • @balramnayan6414
    @balramnayan6414 2 ปีที่แล้ว

    Very good and interesting explanation

  • @moenbase1
    @moenbase1 2 ปีที่แล้ว

    Such a smart invention :) Nice one!