Marble runs are one of the most fun STEM toys available. They consist of a number of different trough-shaped pieces that marbles roll through to end up at the finishing point. They help kids start to ...

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Who isn’t fascinated by a marble run? Kids love to watch the tiny ball travel back and forth as it moves through the tubing. Parents can appreciate the engineering and design that go into these simple ...

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Which marble run is best? Marble runs are rolling ball sculptures you build yourself. You assemble tracks in all kinds of wild configurations and watch as the marbles roll down hills, around corners ...