diff -r ceebcfdcc742 -r 4dce5ea7e13a minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java
--- a/minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java	Sun Mar 16 09:24:51 2014 +0100
+++ b/minesweeper/src/main/java/org/apidesign/demo/minesweeper/MinesModel.java	Thu Mar 20 11:25:28 2014 +0100
@@ -39,7 +39,7 @@
     @Property(name = "state", type = MinesModel.GameState.class),
     @Property(name = "rows", type = Row.class, array = true),
 })
-final class MinesModel {
+public final class MinesModel {
     enum GameState {
         IN_PROGRESS, WON, LOST;
     }
@@ -311,5 +311,12 @@
         Square sq = columns.get(x);
         return sq.isMine() ? 1 : 0;
     }
-    
+
+    /**
+     * Called when page is ready
+     */
+    public static void main(String... args) throws Exception {
+        Mines m = new Mines();
+        m.applyBindings();
+    }
 }