20Instructables38,695Views143CommentsAustraliaJoined February 16th, 2010
I'm into knex ball machine stuff. My favourite parts are lift/element hybrids, probably because I tried building a perpetual ball machine. It didn't work, of course. All my knex stuff is creative common, and I will post instructions to my favourite complex inventions.
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- mathsboy314 commented on mathsboy314's instructable The Official Guide to Knex Ball Machine Path Selectors1 year ago
- mathsboy314 commented on mathsboy314's instructable The Official Guide to Knex Ball Machine Path Selectors2 years ago