Okay, so this might not look like a train, but it is a cool science project that the kids will love to make and do. The train car is actually a battery with magnets attached to both ends and the train track is a coiled copper wire. Follow the directions shared by Sarah from Frugal Fun 4 Boys and discover how and why the battery train car will run back and forth through the wire.
Check out this tutorial to learn more: How to Build a Simple Electromagnetic Train
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