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this is a knex ball machine element as the ball passes the archimedes screw turns
make these connect the green rods to the yellow/gray connectors
you cant make this higher because its not very sturdy if you want to make it higher try to make the archimedes screw sturdy
General Public License
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
knex ballby nattay
knex food holderby nattay
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