With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
k'nex marble machine 2013by www139
K'nex Marble Machineby Oceanous
K'NEX Marble Chain Lift /w instructionsby collinjo12
knex marble gunby knexman
Knex Eclipse Marble Machine Instructionsby knexpert#10829476
Knex Firework/marble launcherby medieval214
Knex auto-loading marble gunby Bartboy
K'nex F117A Nighthawkby DjJosh98
marble shooting mini knex catapultby me
Join 2 million + to receive instant inspiration in your inbox.
Download our apps!
© 2015 Autodesk, Inc.
By clicking "Create Account" you are indicating that you have read and agree to the Terms of service.
Already a member? Login »
Enter the email associated with your account and we will send you your username and a temporary password.
Not a member? Sign Up »
Want to go pro?
First step is to sign up.
By clicking "Sign me up!" you are indicating that you have read and agree to the Terms of service.