Project Advice Needed - Illuminated Art Installation

Hello all,

I’m hoping to create an art installation that is more or less a wall with many sculptures scattered upon it.
The sculptures are clear and illuminated from behind by a series of LEDs connected to an arduino.

to explain the Unity side further I’m planning to:

1 - Create an interactive scene/level that represents my art installation (there may be a few walls and thus a few ‘levels’)
2 - Create a group of objects that represent my different sculptures
3 - Create a network of positions on the wall-object that the sculpture-objects can be dynamically placed on.
4 - Create a ‘Form’ that can be filled out to tell which sculpture-objects where to go, and what LED to turn on
when the sculpture-object is clicked (in-game).
----- i.e. sculpture: no345, position: node25, associated-led: led105
5 - A system (maybe a separate piece of software) that picks which LEDs are on / what colour they are.

To explain the usefulness of the form:
I need to recreate the entire work many times as a part of it’s concept.
So I will be moving the sculptures around the wall often, and the LEDs as well.
If i have some sort of software/game i can run on my laptop while i place them then i can create the level while I build the wall. This would save a lot of time as I can pop a sculpture on the wall, then document in my game, “I just placed sculpture#405 in spot#304 and gave it LED#22”

I’m quite sure this is all very possible, what I’m asking is for some direction.
Can anyone recommend some keywords related to this task or technologies that i should know about?
i.e. if there was a function to scatter objects to predefined places you might say,
" hey mikloss, checkout ‘scatter-bug()’! "
or you might say,
" hey mikloss, check out ‘side-scrolling-camera-track()’ "

Thanks in advance all!

I just realized i could be more specific:

5 - A part of the game/software that can view the wall with all of the sculptures on it in 3D and select which ones I want to illuminate and what colour i want them to be. (I would need to think carefully about how the camera moves to view the wall so that i can use this software on iOS and Android)