Ok, this one is a bit weird. Can you incorporate LEDs in to these? Fiber optics? Not necessary but it would be cool. Anyways:
A figure sprints from the center of the disk towards the edge and when it hits the edge, explodes into a shower of sparks. I’m thinking put a sheet of clear acrylic at the edge of each frame and paint the sparks or etch the acrylic and light it from the edge so the etchings glow. Maybe encase the whole thing in acrylic so the wall looks purposeful, like the figure is trying to escape the box. The figure would be stylized in a futuristic way.