This simple marble machine game made from ramps and a pulley system moves marbles from the bottom of the course to the top, circulating them over and over again. The kid playing the game is able to keep the three marbles in motion pretty easily… but add a fourth marble and the game gets difficult. Can he keep lifting them to the top without dropping one?Magnets & Marbles, Kaplamino’s Pitagora-style chain reactions, A Japanese ‘Pythagoras Switch’ Rube Goldberg Machine for charity, and which marble will win the Longest Sand Marble Run Ever?
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