From Makezine:

The Braun Lectron was an electronics kit designed in the 1970s by Dieter Rams, whose minimalist aesthetic was hugely influential to S.... The Lectron was also Arduino co-creator Massimo Banzi’s “Rosebud.” It not only got him interested in electronics, it also shaped his ideas about design. This fascinating 20-minute documentary about Arduinowas produced by Wired Italy. It’s in Italian but is sub-titled in English.