Introduction: K'nex Claw Machine Game

Check it out guys, I made a K'nex Claw Machine Game for a class project using K'nex pieces, an Arduino board, and some miscellaneous things I found in a junk drawer. I will post a how-to-make of the claw since many of you have requested it. If you already have 


Linkin_J_Knex (author)2015-09-05

Woah this is cool! This gave me the idea for a k'nex element, a claw that picks up the ball and drops it somewhere else!

knexpert1700 (author)2012-04-23

cool,did you have to use an arduino.because my arduino keeps on getting an error so it wont work.i have an arduino uno

T86157 (author)knexpert17002012-04-23

I used duemilanove. I bought my arduino through my school, however. It could be because at the time I was also using the Arduino 0022 and 0023 software version. I would recommend checking your software. The libraries were changed in them.

aaronXtreme (author)T861572013-02-07

could you please make an instructable on the electronic part.
I have the frame and the claw built. and the arduino code.

thanks :)

knex hafferoder (author)2011-10-28

it is sooo cool but is ti posabul to make it all of knex if there is can you post it thanks

mikeasaurus (author)2011-10-25

simply fantastic!

szzxzzs (author)2011-08-04

i think it is very cool 5.0
pls watch my knex creations and rate

Promoting your own posts on someone else's post? Thats a bit rude isn't it?

Sharir1701 (author)2011-05-27

kill me now i think i'm dreaming !!!!!!!!!!!!! *pinches himself to see if he's dreaming* OUCH !!! omfg ... i'm not... awesome construction man... i'd love to have one... try making an ible... anyway, 5* and subscribe !!!! keep up the good work.

aduskin (author)2011-05-22

best ever knex creation in the universe!!!!! PLZ make an instructable of it!!!!

Dumchicken (author)2011-03-18

cool now make a clawshot

T86157 (author)Dumchicken2011-03-19

thanks, I'll see if I can!

Dumchicken (author)T861572011-04-25


fredboekel (author)2010-12-25

best ever claw i love it

Fr-Pa-Co (author)2010-12-21

that is so clever 5* =D

knexinventer (author)2010-12-10

i finnished my claw machine 2 months ago and never posted i will post today

T86157 (author)knexinventer2010-12-10

I'd love to see it. let me know when you post it :)

knexinventer (author)T861572010-12-12

how did you make your claw it would make a great instructable

T86157 (author)knexinventer2010-12-12

I'll post an instructable once I turn in this project to my professor. Basically I made a modified (and simplified) claw based on claws I found here on and on youtube.

The only issue you may have building my claw is that you need broken Knex rods. Hopefully you have some without having to break any (I have had my Knex set for over 10 years now and have accumulated a nice collection of Knex rods that were accidently snapped in half). Broken Knex are still good!

aleceatsfood (author)2010-12-11

awesome! 5*

knexsuperbuilderfreak (author)2010-12-10


thehoyboy (author)2010-12-09

omg amazing

mulletman6 (author)2010-12-09

That is awesome.

Can you show a few pictures of the claw as its a similar idea to something i was trying to figure out how to make, but failed

T86157 (author)mulletman62010-12-09

Hope this helps.

I'll try to upload more pictures of the claw when I have more time. I basically used a lot of other people's designs I found on youtube to make a K'nex claw and simplified it to work with what I have. I actually had to use a K'nex piece that was snapped in half because it does not have the rounded end which obstructs the jaws of the claw.

instruct39 (author)2010-12-09

best ever claw machine! I would make if i had all the electrical parts.

Sorunome (author)2010-12-09

cool!!!! :D

~KGB~ (author)2010-12-09

that iz pro.

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