Good beginner game

Kingdom Builder showed up at us as a good game to introduce our 6 year old twins to the world of "big" board games. The little ones are quite excited about calls in the matter and the playing time of about 30 minutes no one.
In addition, you learn by adding up the points at the end of the game even about addition and multiplication ...
For adults view the game sine strengths shows in ever new strategy to be developed, depending on the cards and other components are used within a given lot. A "silver bullet" that will always result quasi victory, it does not seem to give. We therefore expect a certain long-term motivation.
The only, albeit important criticism is the considerable luck component by Karen of arable landscapes. If anyone here a few laps not get the much-needed land tiles in the beginning, he ends up in a hopeless corner of the game board and can only watch his slow downfall. As would the game balance a little room for improvement ...