Sincere answer:
I look and this and think: how did they do that? Do I know how to do that? Could I do parts of it "better"? Knowing this is possible, are there cooler things I could do with it?
If you're willing to think about it for a little while, there's much beyond shallow interest.
Snarky answer:
Would you consider toy railroads relevant to hackers? http://en.wikipedia.org/wiki/Tech_Model_Railroad_Club