Knex Alternator Lift

Step 40: Ball Pusher

You're almost done! Just build the ball pusher, which will push the ball to the exit when it gets to the top. Then attach it to the top of the tower.
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!