Wow. Really blown away by this piece. Mobile Mobile, created by James Théophane Jnr is really clever and really well done. From the description:

Work asked me to do something for their Christmas card. I work for an Interactive Agency.

To cut a long story short, after a company-wide upgrade the agency had a lot of old mobiles gathering dust. We took these, built and hoisted a gigantic interactive chandelier/mobile that plays Christmas jingles in our reception.

If you feel especially sadistic this holiday, you can play the thing live from there website and annoy the people in the company’s reception area: xmas.lbi.co.uk

Here’s how it was made.