The LEGO Technic Large Hub is an advanced yet simple-to-use brick-shaped device featuring 6 input/output ports for connecting a variety of sensors and motors, a customizable 5x5 light matrix, Bluetooth connectivity, speaker, 6-axis gyro, rechargeable lithium-ion battery and a micro USB port for connectivity with compatible computers and tablets. The Large Hub can also be built together with LEGO Technic and System elements to create fun robots, dynamic devices and other interactive models.