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My best ball machine yet. So big i had to stop and wait for a delivery of pieces.
Knex ball machine SmooLby smool
knex ball machine Smool IIIby smool
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
The Official Guide to Knex Ball Machine Liftsby Shadowman39
Andromeda: K'nex ball machine preview 1by 15knexLaz
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