Here are some photos from Otronicon 2017 at the Orlando Science Center.
My non-profit, Cacti Council, had a booth as well. We meet with K-12 students, faculty, administrators and clubs, sometimes with university student volunteers, to promote logic, computer science, and programming topics. At Otronicon, we were building simple games with Google IgniteCS
Here is an example of one done by our lead student volunteer:
In case you were curious, this is how a Clone Trooper dances:
Here is a rough photogrammetry model of the OSC I did last year: