4 MARBLE RUNS!

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That last game we made was a lot of fun, so let’s keep the ball rolling — literally! We’re going to build pieces for a Marble Run, which is a long structure on which you roll marbles down in interesting ways. As long as you have marbles, some building material, and an imagination, you’re all set.

First, you’re going to construct some interactive areas for the marbles as they roll, and some pathways to connect those pieces. Then you’ll use your knowledge of electronics to make a section that can randomly change the path of a marble. Using the micro:bit, you’ll learn how to take control of which path your marble will follow. And ...

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