I am a huge fan of entomology displays, and wanted to create one that is interactive. When the copper tape on the surface of the frame is touched, the butterflies illuminate through a capacitive touch sensor. The blank white strip of paper to the side of each butterfly shows the name, scientific and common, for a bit of unexpected learning.
I created a box frame that is deep enough to house the paper butterflies along with the Arduino and breadboard. I would liked to have made a larger version with a ton of insects but three ended up being a challenge in itself.
Here is the display in action: