I used Mathnetism's gear design for the wheels so that they would articulate (spin) when the car moves. Hexagon stacks make for a strong and stable car frame, and red magnets add a little flare to the spokes of the wheels! The car is loads of fun to drive around on the living room couch because it weighs about 6 pounds and leaves awesome tracks on the cushions! The wheels turn as the car drives, and I'm getting fast at making them! Gonna keep working on a body of the car... Maybe I can come up with something a little more "car-ish"
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