Build a ball-bearing roller coaster

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

Check out this excellent instructable that shows you how to bend mains wire into a roller coaster track for a ball bearing.

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My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net