Invisible Forces

Explain the invisible forces that cause objects to move in certain ways. r
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Magnetic Motion – Learn all about magnetic force! Build a theater that uses magnet power to lift paper vehicles into the air. Use a magnet to move a character through a maze to victory. Then design your own magnet game challenges! r
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Marble Run Timer – Construct a marble-powered mechanism that helps keep time! Experiment with your timer and design new paths to help the marbles run faster, slower, and everything in between. Then use your mechanism to time yourself while creating colorful dip-dye wood art. r
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Roller Coaster Science – Discover how science makes the world go round – with this roller coaster–themed crate! Build your very own loop-the-loop coaster, send a metal ball on a twisty ride, and learn how the centrifugal effect keeps the ball from falling off. Design a snazzy sign for your coaster with color-changing markers. Then build another classic amusement park ride, a centrifugal effect–powered spin-o-tron!