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.
two knex ball machine elements
Attic Stair Cover
An Architectural Model of a Futuristic Subterranean Building
!!! Selling Knex Serpent spiral coaster
Curved cat stairs for your living room
Spiaral model widget
Underwear Under the Stairs
KneXtreme's Official Guide to Ball Machine Elements
Erection - A K'nex Ball Machine
Posted:Apr 12, 2009
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.