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A Knex ball machine I made in 2011. 8 paths, one network. Video on Youtube: http://www.youtube.com/watch?v=XKY-kFFVRFU
Not exactly a new element, but I've never seen this particular wheel before, so I thought you might like a few pictures.
K'nex Ball Machine Lift: Giant Ball Catapultby Mechanical Master
Knex Ball Machine Radonby KneXtreme
Knex Roller Coasterby KnexKreator
Andromeda: K'nex Ball Machine Preview 2by 15knexLaz
Fenrir119's Knex Ball Machine Elementsby fenrir119
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