diff --git a/packages/pinball_components/lib/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_contact_behavior.dart b/packages/pinball_components/lib/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_contact_behavior.dart
index 09666492..c64dc107 100644
--- a/packages/pinball_components/lib/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_contact_behavior.dart
+++ b/packages/pinball_components/lib/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_contact_behavior.dart
@@ -5,7 +5,8 @@ import 'package:pinball_flame/pinball_flame.dart';
 // TODO(alestiago): Evaluate if there is any useful documentation that could
 // be added to this class.
 // ignore: public_member_api_docs
-class DashBumperBallContactBehavior extends ContactBehavior<DashNestBumper> {
+class DashNestBumperBallContactBehavior
+    extends ContactBehavior<DashNestBumper> {
   @override
   void beginContact(Object other, Contact contact) {
     super.beginContact(other, contact);
diff --git a/packages/pinball_components/lib/src/components/dash_nest_bumper/dash_nest_bumper.dart b/packages/pinball_components/lib/src/components/dash_nest_bumper/dash_nest_bumper.dart
index a1caf04e..36081aef 100644
--- a/packages/pinball_components/lib/src/components/dash_nest_bumper/dash_nest_bumper.dart
+++ b/packages/pinball_components/lib/src/components/dash_nest_bumper/dash_nest_bumper.dart
@@ -33,7 +33,7 @@ class DashNestBumper extends BodyComponent with InitialPosition {
               position: spritePosition,
               current: bloc.state,
             ),
-            DashBumperBallContactBehavior(),
+            DashNestBumperBallContactBehavior(),
             ...?children,
           ],
           renderBody: false,
diff --git a/packages/pinball_components/test/helpers/mocks.dart b/packages/pinball_components/test/helpers/mocks.dart
index d4bd41fd..d69a6131 100644
--- a/packages/pinball_components/test/helpers/mocks.dart
+++ b/packages/pinball_components/test/helpers/mocks.dart
@@ -22,3 +22,5 @@ class MockAlienBumperCubit extends Mock implements AlienBumperCubit {}
 class MockGoogleLetterCubit extends Mock implements GoogleLetterCubit {}
 
 class MockSparkyBumperCubit extends Mock implements SparkyBumperCubit {}
+
+class MockDashNestBumperCubit extends Mock implements DashNestBumperCubit {}
diff --git a/packages/pinball_components/test/src/components/alien_bumper/behaviors/alien_bumper_ball_contact_behavior_test.dart b/packages/pinball_components/test/src/components/alien_bumper/behaviors/alien_bumper_ball_contact_behavior_test.dart
index caf577ed..d8475b3d 100644
--- a/packages/pinball_components/test/src/components/alien_bumper/behaviors/alien_bumper_ball_contact_behavior_test.dart
+++ b/packages/pinball_components/test/src/components/alien_bumper/behaviors/alien_bumper_ball_contact_behavior_test.dart
@@ -5,7 +5,7 @@ import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_components/src/components/alien_bumper/behaviors/alien_bumper_ball_contact_behavior.dart';
+import 'package:pinball_components/src/components/alien_bumper/behaviors/behaviors.dart';
 
 import '../../../../helpers/helpers.dart';
 
diff --git a/packages/pinball_components/test/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_ball_contact_behavior_test.dart b/packages/pinball_components/test/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_ball_contact_behavior_test.dart
new file mode 100644
index 00000000..6fa9bddd
--- /dev/null
+++ b/packages/pinball_components/test/src/components/dash_nest_bumper/behaviors/dash_nest_bumper_ball_contact_behavior_test.dart
@@ -0,0 +1,51 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_components/src/components/dash_nest_bumper/behaviors/behaviors.dart';
+
+import '../../../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final flameTester = FlameTester(TestGame.new);
+
+  group(
+    'DashNestBumperBallContactBehavior',
+    () {
+      test('can be instantiated', () {
+        expect(
+          DashNestBumperBallContactBehavior(),
+          isA<DashNestBumperBallContactBehavior>(),
+        );
+      });
+
+      group(
+        'beginContact',
+        () {
+          flameTester.test('emits onBallContacted when contacts with a ball',
+              (game) async {
+            final behavior = DashNestBumperBallContactBehavior();
+            final bloc = MockDashNestBumperCubit();
+            whenListen(
+              bloc,
+              const Stream<DashNestBumperState>.empty(),
+              initialState: DashNestBumperState.active,
+            );
+
+            final alienBumper = DashNestBumper.test(bloc: bloc);
+            await alienBumper.add(behavior);
+            await game.ensureAdd(alienBumper);
+
+            behavior.beginContact(MockBall(), MockContact());
+
+            verify(alienBumper.bloc.onBallContacted).called(1);
+          });
+        },
+      );
+    },
+  );
+}
diff --git a/packages/pinball_components/test/src/components/dash_nest_bumper/cubit/dash_nest_bumper_cubit_test.dart b/packages/pinball_components/test/src/components/dash_nest_bumper/cubit/dash_nest_bumper_cubit_test.dart
new file mode 100644
index 00000000..7e26bbf3
--- /dev/null
+++ b/packages/pinball_components/test/src/components/dash_nest_bumper/cubit/dash_nest_bumper_cubit_test.dart
@@ -0,0 +1,24 @@
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+void main() {
+  group(
+    'DashNestBumperCubit',
+    () {
+      blocTest<DashNestBumperCubit, DashNestBumperState>(
+        'onBallContacted emits active',
+        build: DashNestBumperCubit.new,
+        act: (bloc) => bloc.onBallContacted(),
+        expect: () => [DashNestBumperState.active],
+      );
+
+      blocTest<DashNestBumperCubit, DashNestBumperState>(
+        'onReset emits inactive',
+        build: DashNestBumperCubit.new,
+        act: (bloc) => bloc.onReset(),
+        expect: () => [DashNestBumperState.inactive],
+      );
+    },
+  );
+}
diff --git a/packages/pinball_components/test/src/components/dash_nest_bumper_test.dart b/packages/pinball_components/test/src/components/dash_nest_bumper/dash_nest_bumper_test.dart
similarity index 61%
rename from packages/pinball_components/test/src/components/dash_nest_bumper_test.dart
rename to packages/pinball_components/test/src/components/dash_nest_bumper/dash_nest_bumper_test.dart
index c2d72a70..c5accec9 100644
--- a/packages/pinball_components/test/src/components/dash_nest_bumper_test.dart
+++ b/packages/pinball_components/test/src/components/dash_nest_bumper/dash_nest_bumper_test.dart
@@ -4,8 +4,9 @@ import 'package:flame/components.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_components/src/components/dash_nest_bumper/behaviors/behaviors.dart';
 
-import '../../helpers/helpers.dart';
+import '../../../helpers/helpers.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
@@ -40,13 +41,26 @@ void main() {
       expect(game.contains(bumper), isTrue);
     });
 
-    flameTester.test('adds new children', (game) async {
-      final component = Component();
-      final dashNestBumper = DashNestBumper.a(
-        children: [component],
-      );
-      await game.ensureAdd(dashNestBumper);
-      expect(dashNestBumper.children, contains(component));
+    group('adds', () {
+      flameTester.test('adds new children', (game) async {
+        final component = Component();
+        final dashNestBumper = DashNestBumper.a(
+          children: [component],
+        );
+        await game.ensureAdd(dashNestBumper);
+        expect(dashNestBumper.children, contains(component));
+      });
+
+      flameTester.test('an DashNestBumperBallContactBehavior', (game) async {
+        final dashNestBumper = DashNestBumper.a();
+        await game.ensureAdd(dashNestBumper);
+        expect(
+          dashNestBumper.children
+              .whereType<DashNestBumperBallContactBehavior>()
+              .single,
+          isNotNull,
+        );
+      });
     });
   });
 }