Knex Ball Machine Elements, Lifts, and More - Instructables
Spiral Stepper Lift, a knex ball machine lift - YouTube
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An Incredible Working Ball Machine Made Completely Out of K'Nex Building Pieces
Filmed a tutorial for a basic ball machine chain lift. Hoping to edit and upload tomorrow. Decided to do this before the mill lift cuz I thought it might be an easier
K'nex: Trick Flip-Flops Ball Machine Element Instructable | knextus