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please be nice this is my first ball machine all the thanks goes to knex_pls and trainman THIS IS A 4 TRACK BEAST OF A BALL MACHINE tell ...
knex extra ball machine elementsby Mr. Muggle
The Ultimate Guide to K'nex Ball Machine Elementsby Darth Trainman
Project Lifts Knex Ball Machineby Oceanous
Project S (Knex Ball Machine)by jollex
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
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