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Knex ball machine: Project Simplicity
Fenrir119's Knex Ball Machine Elements
Knex 'Mouse Wheel' Ball Machine Lift
Erection - A K'nex Ball Machine
How to build Project Blaster Knex ball machine
Knex Alternator Lift
Guide To Different K'nex Ball Machine Types
The Official Guide for Building Knex Ball Machines
Knex ball machine: Project Spinzy
Knex ball machine - project aquaduct.
Posted:Oct 25, 2010
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