Zendulum Solar Powered “Pendulum” Kit is a pretty easy little kit to put together. Once done, all you need to find is sunlight.
The solar cell will convert sunlight into electricity and store it up in the capacitors.
When the magnetic ball passes the coil, the capacitors discharge and push the ball away and up the rails to one side. The capacitors charge up and then discharge again when the ball rolls back, pushing the little sphere up the rails to the other side.
In a seemingly perpetual-motion-sort-of-way, the ball with go back and forth as you stare and dream. Add a base made of laser-cut black acrylic (with some pretty bonsai and yin-yang cutouts), and the Zendulum Solar Powered “Pendulum” Kit is a thing of tranquil beauty even when at rest.
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