"Trade Ruler Game" "Bertil Ohlin, awarded the Nobel Prize in Economics in 1977, showed that countries engage in and benefit from trade if their production resources differ from each other."
I find this interesting. A good example of making complex topics simple and engaging.
It is also a good design for interactive e-learning
Ray Jimenez, PhD www.vignettestraining.com
"Helping Learners Learn Their Way"