It’s the Great Ball Contraption - LIVE! You are invited to build modules, or just watch the action, live & in person. We will be constructing a Great Ball Contraption (URL) at the House of Bricks (URL) event at the Chicago Marriott, Schaumburg, on (...) (20 years ago, 25-Feb-05, to lugnet.announce, lugnet.loc.us.il, lugnet.org.us.clb, lugnet.robotics, lugnet.technic) !
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