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K'nex Ball Machine Lift: Giant Ball Catapult
Project Accuracy-A K'nex Experiment
K'nex Ball Machine Impossible
Connected Arm Lift, Sandroknexmaster's knex lift.
knex dude 2000
Knex Ball Machine Lift: Endless Arm Lift
The Official Guide to Knex Ball Machine Lifts
knex ball machine "Crazy"
Knex Ball Machine: Paradox
Knex Ball Machine Lift: Double Stair Lift
Guide to lift/element hybrids
Posted:Jun 14, 2010
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