With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
here is my new knex ballmachine runway with 2 networks 4 lifts and 6 paths i hope you like it http://www.youtube.com/watch?v=ipKt9Oj7xug
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.