Meet Root: an educational robot designed to get your kids familiar with technology and coding. This magnetic robot can drive vertically on any metal-backed whiteboard, offering position and direction sensing. Root comes with a color scanner and ambient light sensors. With its expansion port, you can add custom hardware enhancements.
Root comes with a graphical and text-based interface. It can use and react to sensors, providing you with real-time sensor values. The robot can use a dry-erase marker and eraser. More information is available here.