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The Official Guide to Knex Ball Machine Lifts
Parallax-A Knex Ball Machine
Mathsboy314's Revolving Ball Machine Lift
Knex Ball Machine Radon
K'nex Ball Machine Lift: Giant Ball Catapult
Knex Pool Table
Guide to lift/element hybrids
Rock of Prometheus Knex Ball Machine
The Official Guide to K'NEX Ball Machine Elements
Knex Ball Machine Platinum
Posted:May 9, 2011
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