Classic Marble Pump
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This is my LEGO version of the classic marble pump. Inspiration is drawn from several builders. It's nothing special, because I intend it to be part of a larger model. This mechanism is a reliable way of raising balls vertically, giving the Great Ball Contraption enthusiast lots of flexibility in making a widget to go with it.

See the full description on MOCpages.

PDF instructions are in the files section of this page.
LDRAW (MLCAD) instructions are available at the MOCpages page.

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