The MicroBit is an easy-to-use Microcontroller for learning about electronics. In this study, you will get your own MicroBit to use. You can program it using the online editor at https://makecode.microbit.org/.
Build something that would be useful for Freeman in a conference/tradeshow environment. It doesn't have to be incredibly useful, but it should solve a problem.
Here are some ideas from a brainstorm we had with the Freeman Digital Team