Change is hard

But fun is... fun. And according to the folks behind The Fun Theory, fun is the, well, "easiest way to change people’s behaviour for the better."

They're turning stairs into piano keys and recycling banks into arcades. And the people? They're playing and... playing.

Hear the music yourself:

(another video - you really should check it out if you can't see it)

The folks behind the fun Fun Theory? Volkswagen and their Swedish ad agency, DDB Stockholm. Funsters wanted.