Marble Maze School Project

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My son's grade 3 school project to build a three dimensional track for marbles to travel on uninterrupted. Instructions: Must include multiple types of friction along the path, be a minimum height, marbles should take a long time to traverse the course unassisted (should go slowly). He drew diagrams of everything he wanted in the maze before we started. It was a fun project to do together: grandfather, father and son. :-)

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