It's fun, it's healthy, it's good exercise. The kids will just love it. And we put a little sand inside to make the experience more pleasant.
You know, they say there was a man who jumped from the forty-FIFTH floor? But that's another story...
It depends. If you have the first edition of the game + expansions, I think you need to buy the upgrade. If you have the 2nd edition of the game + Expansions it includes the Barbarians and Traders material, so the expansion is not necessary.
I have the Second edition...