It looks just like Jimmie Rogers' Open Heart kit, am I right? http://www.jimmieprodgers.com/openheart
And you can make it animate however you like. Oh, and it's open source.
12 meters? That sure is a long cord... are you sure it's not 12 feet? Also, it looks like a small CFL bulb inside an extra glass casing to me, like the ones they sell at IKEA.
Met you at Maker Faire (last presentation you did on electronic embroidery). Excellent job, BTW.
Am very interested in following this work ... I'm don't sew (yet) , but know some excellent sewing folk who are of technical bent. I'm interested in the gadget end of things, so I'm hoping to team up with someone soon for projects.