When you think of Barbie's dream house, a certain style, size and opulence usually comes to mind. Build that house in the real world, however, and it would be not only overdone to the point of tacky but environmentally irresponsible. This is why it is always refreshing to see thoughtful design and sustainable materials incorporated into a dollhouse, introducing kids to a different way of thinking about housing, use of space and impact on the environment. How would Barbie fare in a house such as this? Evidently, quite well.