This is my very first k'nex ball machine I have made from scratch. The ball machine has no motor on it and uses weights to pull the ball up. You can make the ball machine endless by pushing the ramps down when the ball is about to go on the ramp, or use k'nex wheels on the other side of the lift tha...
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Yoshian12Continue Reading »Source: http://www.instructables.com/id/Project-Ultimate-A-Knex-Ball-Machine/
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