Ella Koeze, Denise Lu, and Charlie Smart for The New York Times made a game to help you understand gerrymandering better. They created a fake territory called Hexapolis, and your mission, if you choose to accept it, is to gerrymander your party into power. Good luck.
See also the miniature golf game from The Washington Post. We. Will. Understand. Gerrymandering.
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics
