diff --git a/test/game/bloc/game_bloc_test.dart b/test/game/bloc/game_bloc_test.dart
index f4b79001..df0c8a6b 100644
--- a/test/game/bloc/game_bloc_test.dart
+++ b/test/game/bloc/game_bloc_test.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: prefer_const_constructors
+
 import 'package:bloc_test/bloc_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball/game/game.dart';
@@ -26,6 +28,7 @@ void main() {
             balls: 2,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           const GameState(
@@ -33,6 +36,7 @@ void main() {
             balls: 1,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           const GameState(
@@ -40,6 +44,7 @@ void main() {
             balls: 0,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
         ],
@@ -60,6 +65,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           const GameState(
@@ -67,6 +73,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
         ],
@@ -88,6 +95,7 @@ void main() {
             balls: 2,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           const GameState(
@@ -95,6 +103,7 @@ void main() {
             balls: 1,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           const GameState(
@@ -102,6 +111,7 @@ void main() {
             balls: 0,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
         ],
@@ -122,6 +132,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -129,6 +140,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -136,6 +148,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1, 2],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
         ],
@@ -157,6 +170,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -164,6 +178,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -171,6 +186,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1, 2],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -178,6 +194,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1, 2, 3],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -185,6 +202,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [0, 1, 2, 3, 4],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -192,6 +210,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [GameBonus.word],
           ),
           GameState(
@@ -199,6 +218,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [GameBonus.word],
           ),
         ],
@@ -219,6 +239,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {'0'},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -226,6 +247,7 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {'0', '1'},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           GameState(
@@ -233,10 +255,45 @@ void main() {
             balls: 3,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [GameBonus.dashNest],
           ),
         ],
       );
     });
+
+    group('SparkyFireActivated', () {
+      const fireId = '0';
+
+      blocTest<GameBloc, GameState>(
+        'adds fireId to collection when activate',
+        build: GameBloc.new,
+        act: (bloc) => bloc..add(const SparkyFireActivated(fireId)),
+        expect: () => [
+          isA<GameState>()
+            ..having(
+              (state) => state.activatedSparkyFires,
+              'activatedSparkyFires',
+              contains(fireId),
+            ),
+        ],
+      );
+
+      blocTest<GameBloc, GameState>(
+        'removes fireId from collection when deactivate',
+        build: GameBloc.new,
+        seed: () =>
+            GameState.initial().copyWith(activatedSparkyFires: {fireId}),
+        act: (bloc) => bloc..add(const SparkyFireActivated(fireId)),
+        expect: () => [
+          isA<GameState>()
+            ..having(
+              (state) => state.activatedSparkyFires,
+              'activatedSparkyFires',
+              isNot(contains(fireId)),
+            ),
+        ],
+      );
+    });
   });
 }
diff --git a/test/game/bloc/game_event_test.dart b/test/game/bloc/game_event_test.dart
index af9f6148..8d0d622b 100644
--- a/test/game/bloc/game_event_test.dart
+++ b/test/game/bloc/game_event_test.dart
@@ -84,5 +84,22 @@ void main() {
         );
       });
     });
+
+    group('SparkyFireActivated', () {
+      test('can be instantiated', () {
+        expect(const SparkyFireActivated('0'), isNotNull);
+      });
+
+      test('supports value equality', () {
+        expect(
+          SparkyFireActivated('0'),
+          equals(SparkyFireActivated('0')),
+        );
+        expect(
+          SparkyFireActivated('0'),
+          isNot(equals(SparkyFireActivated('1'))),
+        );
+      });
+    });
   });
 }
diff --git a/test/game/bloc/game_state_test.dart b/test/game/bloc/game_state_test.dart
index ed80d192..cd897291 100644
--- a/test/game/bloc/game_state_test.dart
+++ b/test/game/bloc/game_state_test.dart
@@ -12,6 +12,7 @@ void main() {
           balls: 0,
           activatedBonusLetters: const [],
           activatedDashNests: const {},
+          activatedSparkyFires: const {},
           bonusHistory: const [],
         ),
         equals(
@@ -20,6 +21,7 @@ void main() {
             balls: 0,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
         ),
@@ -34,6 +36,7 @@ void main() {
             balls: 0,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           ),
           isNotNull,
@@ -51,6 +54,7 @@ void main() {
             score: 0,
             activatedBonusLetters: const [],
             activatedDashNests: const {},
+            activatedSparkyFires: const {},
             bonusHistory: const [],
           ),
           throwsAssertionError,
@@ -68,6 +72,7 @@ void main() {
             score: -1,
             activatedBonusLetters: const [],
             activatedDashNests: const {},
+            activatedSparkyFires: const {},
             bonusHistory: const [],
           ),
           throwsAssertionError,
@@ -84,6 +89,7 @@ void main() {
           score: 0,
           activatedBonusLetters: [],
           activatedDashNests: {},
+          activatedSparkyFires: {},
           bonusHistory: [],
         );
         expect(gameState.isGameOver, isTrue);
@@ -97,6 +103,7 @@ void main() {
           score: 0,
           activatedBonusLetters: [],
           activatedDashNests: {},
+          activatedSparkyFires: {},
           bonusHistory: [],
         );
         expect(gameState.isGameOver, isFalse);
@@ -112,6 +119,7 @@ void main() {
             score: 0,
             activatedBonusLetters: [1],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           );
           expect(gameState.isLetterActivated(1), isTrue);
@@ -126,6 +134,7 @@ void main() {
             score: 0,
             activatedBonusLetters: [1],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           );
           expect(gameState.isLetterActivated(0), isFalse);
@@ -143,6 +152,7 @@ void main() {
             score: 2,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           );
           expect(
@@ -161,6 +171,7 @@ void main() {
             score: 2,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           );
           expect(
@@ -179,6 +190,7 @@ void main() {
             balls: 0,
             activatedBonusLetters: [],
             activatedDashNests: {},
+            activatedSparkyFires: {},
             bonusHistory: [],
           );
           final otherGameState = GameState(
@@ -186,6 +198,7 @@ void main() {
             balls: gameState.balls + 1,
             activatedBonusLetters: const [0],
             activatedDashNests: const {'1'},
+            activatedSparkyFires: const {'1'},
             bonusHistory: const [GameBonus.word],
           );
           expect(gameState, isNot(equals(otherGameState)));
@@ -196,6 +209,7 @@ void main() {
               balls: otherGameState.balls,
               activatedBonusLetters: otherGameState.activatedBonusLetters,
               activatedDashNests: otherGameState.activatedDashNests,
+              activatedSparkyFires: otherGameState.activatedSparkyFires,
               bonusHistory: otherGameState.bonusHistory,
             ),
             equals(otherGameState),