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Rolling Ball Sculptures
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About Rolling Balls
Devoted to rolling ball sculptures, curious machines, and mechanical sculptures. Features an exhibition, events, and news.
Photos and descriptions of marbletracks built by an enthusiast.
Rhoads, George (b. 1926)@
Matthias's Marble Machines Page
Complicated and ingenious, but utterly useless, pieces of machinery made of Lego and wood that automate the process of playing with marbles.
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