There is no such thing as a model or ideal Canadian. What could be more absurd than the concept of an "all Canadian" boy or girl? A society which emphasizes uniformity is one which creates intolerance and hate. Pierre Elliott Trudeau
They are compatible, although 4th ed does not have water tiles so you would need to find some or buy an adapter kit for the frame. The art would be different as well.
Edit: just remembered that the development cards have different backs which could be a problem. If you really need the expansion it may be more cost effective to buy the 4th ed base game rather than the frame kit and new cards.
Last edited Mon Oct 3, 2011 3:35 pm (Total Number of Edits: 1)