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this is a factory i got and it is finished
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
Knex Ball Machine Dangerousby Mechanical Master
Andromeda: K'nex ball machine preview 1by 15knexLaz
Connected Arm Lift, Sandroknexmaster's knex lift.by knex dude 2000
K'nex Ball Machine Impossibleby www139
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