diff --git a/Examples/BB2B/BB2B.cs b/Examples/BB2B/BB2B.cs
index a962039..3d5b77a 100644
--- a/Examples/BB2B/BB2B.cs
+++ b/Examples/BB2B/BB2B.cs
@@ -1,7 +1,7 @@
 
 namespace RoboidControl {
 
-class BB2B : Thing {
+public class BB2B : Thing {
     readonly DifferentialDrive drive;
     readonly TouchSensor touchLeft;
     readonly TouchSensor touchRight;