To make a Marble Run you need a meter ruler with a long groove in it. Put the ruler on some blocks. Our challenge was to make the marble roll exactly three meters on the carpet. It rolled like an apple down a slide. If the marble rolls further than 3 meters we take off a block and try again.
Written by Adam, Josh, Brianna and Ben.
It seems like fun and Caleb likes the idea of sliding a marble down the hill. The photos look really cool.
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