DIY Movie Props: Iron Man Arc Reactor

Build your own Tony Stark arc reactor for the release of Iron Man 2. The movie replica is built using an acrylic ring and surface mount LEDs. The entire LED assembly is connected to a heart rate monitor which causes the LEDs to beat to the rhythm of your heart! Awesome!

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The miniature arc reactor is made up of two ring assemblies of surface mount LED’s. Ten are arranged in an acrylic ring and one central LED which is covered by a lens to create a diffused glow. An old heart rate monitor from eBay is strapped to the chest causing the LEDs to beat to the rhythm of the heart.

And there you have it, a custom Iron Man arc reactor replica. Now all you need is a display case to put it in. See the full instruction guide for details on how to build your own.