Knex Ball Machine Separator (3 Outputs)




About: Hey everyone. I'm Thibault Art and my biggest hobby is to build huge machines in K'nex. I like also to draw a lot and take care of my corn snake. On this page you will find K'nex ball machines, K'nex element...

Hey everyone,

Here are instructions for a knex ball machine separator with 3 outputs.

It's incredibly easy to make and works 98% of the time. Make sure to check out step nr 1 to see the 2 special pieces you need + the video to see how it works.

If there are any questions, complains or problems with this build, feel free to pm me or tell me in the comments below.

Thanks for watching/ building,

Thibault Art.

Step 1: Special Pieces You Need:

You need one of each.

Step 2:

Step 3:

Step 4:

Step 5:

Step 6:



  • 1 Hour Challenge

    1 Hour Challenge
  • Classroom Science Contest

    Classroom Science Contest
  • Colors of the Rainbow Contest

    Colors of the Rainbow Contest

11 Discussions

Thibault Artkevinandbelma

Reply 1 year ago

The special piece on the left is not that important, it just makes the construction a bit more solid. But the other one is quite important. Without it, it won't work.

kevinandbelmaThibault Art

Reply 1 year ago

Ok. I have the special piece on the right. I will try to make it today or tommorow.


2 years ago

Nice! My favorite separator from Eclipse (they're all really good, but this one's so efficient!)

2 replies
Thibault Artwww139

Reply 2 years ago

Thanks, I'm happy you like it. Might be an option for your next bm ;).