You can build these marble runs and connect them to your smart home over Wi-Fi
Using suction cups, sticky putty, and even Lego plates, Marblelous marble runs can be built on flat vertical surfaces. | Image: Marblelous Marble run toys typically rely on just gravity to send a marble careening through a complex maze of obstacles, but the creator of Marblelous thinks they can be improved through technology. These new…

