   // Build the menus
   menuSystem.get_root_menu().add_menu(&mmSensorsMenu);
   menuSystem.get_root_menu().add_menu(&mmAnimMenu);
+  menuSystem.get_root_menu().add_item(&nullActivityMenuItem);
   menuSystem.get_root_menu().add_menu(&mmSetupMenu);
 
   mmSensorsMenu.add_item(&sensorLight);

  Serial.print(p_menu_component->get_name());
  Serial.println("] selected");

  if (strcmp(p_menu_component->get_name(), "Light") == 0) {
    Serial.println("Setting to Light");
    currentActivity = &blinkActivity;

  } else if (strcmp(p_menu_component->get_name(), "SoundColorWheel") == 0) {
    Serial.println("Setting to SoundColorWheel");
    currentActivity = &soundColorWheelActivity;
  } else if (strcmp(p_menu_component->get_name(), "Inactive") == 0) {
    Serial.println("Setting to Inactive");
    currentActivity = &nullActivity;
  } else {
    Serial.println("UNKNOWN ACTIVITY");
  }
