Being twisted is a good thing for this activity! Students build a racer from laser-cut parts and then use the power in a twisted rubber band motor to run the propeller, making the car fly down the track. This is a great way to start teaching torsion and potential energy.
Looking for standards-based activities to accompany these materials? The Prop Racers Teacher’s Guide is available for print here, or you can download a digital copy for free here.
Requires white glue, sold separately.