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March 22The Communicator will not be posting during Ann Arbor Public Schools’ spring break, March 24-28.

All content by Watch their Rube Goldberg machine, the “Ratch-Master 5000” in action.

An Adventure in FOS 4: The Rube Goldberg Machine

Sophia Werthmann
May 6, 2014

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Watch their Rube Goldberg machine, the "Ratch-Master 5000" in action.