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.
!!! Selling Knex Serpent spiral coaster
Working K'nex Car
"The Grinch" A knex Christmas roller coaster
A Complete Guide to K'nex Motors
My neat knex sword
Dragon Fire - K'nex model roller coaster
My New Knex SS+RR Set Video!!+ Custom Coaster Coming Soon!
k'nex roller coaster
Posted:Feb 2, 2010
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.