Size-Changing Shadows

Here is my final exhibit:

I added shades to the lights, which improved the overall effect:

Here are some pictures of me interacting with the exhibit using my hands: 

The user can use these objects to transmit color through the rods as well:

Two colors at once:

This photo shows label placement:

I wired the lights together and hooked them up to a switch: 

Close-up of the label: