The Official Guide to K'NEX Ball Machine Elements


Step 36: Chained Ball Arm

Picture of Chained Ball Arm
An element whose original design above belongs to sandronexmaster, this element has two arms moving at the exact instant thanks to a chain that moves the arms both in opposing directions.
Remove these adsRemove these ads by Signing Up

Get More Out of Instructables

Already have an Account?


PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!