I continued to think about what the booth would be like and how the elements could be contained. Booth hallways are at minimum 3 feet wide, but also can't have too many bulky things in these corridors because it would interfere with safety requirements. Therefore, the interactive pieces themselves would have to be pretty flat - potentially plywood cutouts with additional attachments (such as pom poms or touch spots).

I figure this would be possible to do with the gemma+neopixel combo we learned how to solder in class, and also kept visual note of how to do so: