With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
share what you made with text, photos, video, and files
gather your favorite instructables together
We have a be nice comment policy. Please be positive and constructive.
Knex Firestorm Freefall Coasterby knexboy586
Connected Arm Lift, Sandroknexmaster's knex lift.by knex dude 2000
Eurofighter Lift: knex roller coasterby untd103
K'nex roller coasterby hi1
Knex roller coaster: Rippin' Rocket 3by knexinventions 49
Loop. A knex roller coasterby hi1
Micro KNEX Roller Coaster Dual Liftby Froggith
Mega Mechanical Mountainby mmahaffey
3.5 ft tall K'Nex Roller Coaster (vertical)by yoshiinstructable
Lempomo cliff knex roller coasterby the_burrito_master
Download our new apps for iOS, Android and Windows 8!
© 2014 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 »