diff --git a/packages/flame/lib/src/camera/behaviors/bounded_position_behavior.dart b/packages/flame/lib/src/camera/behaviors/bounded_position_behavior.dart
index 1d973024329..2ed921aef2e 100644
--- a/packages/flame/lib/src/camera/behaviors/bounded_position_behavior.dart
+++ b/packages/flame/lib/src/camera/behaviors/bounded_position_behavior.dart
@@ -23,6 +23,7 @@ class BoundedPositionBehavior extends Component {
     PositionProvider? target,
     double precision = 0.5,
     super.priority,
+    super.key,
   })  : assert(precision > 0, 'Precision must be positive: $precision'),
         _bounds = bounds,
         _target = target,
diff --git a/packages/flame/lib/src/camera/behaviors/follow_behavior.dart b/packages/flame/lib/src/camera/behaviors/follow_behavior.dart
index 810600766a2..da172ea6f2a 100644
--- a/packages/flame/lib/src/camera/behaviors/follow_behavior.dart
+++ b/packages/flame/lib/src/camera/behaviors/follow_behavior.dart
@@ -24,6 +24,7 @@ class FollowBehavior extends Component {
     this.horizontalOnly = false,
     this.verticalOnly = false,
     super.priority,
+    super.key,
   })  : _target = target,
         _owner = owner,
         _speed = maxSpeed,
diff --git a/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart b/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart
index 3368f77f4cf..55664161341 100644
--- a/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart
+++ b/packages/flame/lib/src/camera/behaviors/viewport_aware_bounds_behavior.dart
@@ -22,6 +22,7 @@ class ViewportAwareBoundsBehavior extends Component with ParentIsA<Viewfinder> {
 
   ViewportAwareBoundsBehavior({
     required Shape boundsShape,
+    super.key,
   }) : _boundsShape = boundsShape;
 
   @override
diff --git a/packages/flame/lib/src/camera/camera_component.dart b/packages/flame/lib/src/camera/camera_component.dart
index 6bc63472e29..53619a90a06 100644
--- a/packages/flame/lib/src/camera/camera_component.dart
+++ b/packages/flame/lib/src/camera/camera_component.dart
@@ -47,6 +47,7 @@ class CameraComponent extends Component {
     Viewfinder? viewfinder,
     Component? backdrop,
     List<Component>? hudComponents,
+    super.key,
   })  : _viewport = (viewport ?? MaxViewport())..addAll(hudComponents ?? []),
         _viewfinder = viewfinder ?? Viewfinder(),
         _backdrop = backdrop ?? Component(),
@@ -74,12 +75,14 @@ class CameraComponent extends Component {
     Viewfinder? viewfinder,
     Component? backdrop,
     List<Component>? hudComponents,
+    ComponentKey? key,
   }) : this(
           world: world,
           viewport: FixedResolutionViewport(resolution: Vector2(width, height)),
           viewfinder: viewfinder ?? Viewfinder(),
           backdrop: backdrop,
           hudComponents: hudComponents,
+          key: key,
         );
 
   /// The [viewport] is the "window" through which the game world is observed.
diff --git a/packages/flame/lib/src/camera/viewfinder.dart b/packages/flame/lib/src/camera/viewfinder.dart
index 59279bd3cea..dd2686ab990 100644
--- a/packages/flame/lib/src/camera/viewfinder.dart
+++ b/packages/flame/lib/src/camera/viewfinder.dart
@@ -22,6 +22,10 @@ class Viewfinder extends Component
         PositionProvider,
         ScaleProvider,
         CoordinateTransform {
+  Viewfinder({
+    super.key,
+  });
+
   /// Transform matrix used by the viewfinder.
   final Transform2D transform = Transform2D();
 
diff --git a/packages/flame/lib/src/camera/viewport.dart b/packages/flame/lib/src/camera/viewport.dart
index 96d89a23be0..2fd3b511315 100644
--- a/packages/flame/lib/src/camera/viewport.dart
+++ b/packages/flame/lib/src/camera/viewport.dart
@@ -24,7 +24,10 @@ abstract class Viewport extends Component
         PositionProvider,
         SizeProvider,
         CoordinateTransform {
-  Viewport({super.children});
+  Viewport({
+    super.children,
+    super.key,
+  });
 
   final Vector2 _size = Vector2.zero();
   bool _isInitialized = false;
diff --git a/packages/flame/lib/src/camera/world.dart b/packages/flame/lib/src/camera/world.dart
index ddc47042860..34053704c92 100644
--- a/packages/flame/lib/src/camera/world.dart
+++ b/packages/flame/lib/src/camera/world.dart
@@ -19,6 +19,7 @@ class World extends Component implements CoordinateTransform {
   World({
     super.children,
     super.priority = -0x7fffffff,
+    super.key,
   });
 
   @override
diff --git a/packages/flame/lib/src/components/core/component_tree_root.dart b/packages/flame/lib/src/components/core/component_tree_root.dart
index ee4f8f97a01..b445f7aaa34 100644
--- a/packages/flame/lib/src/components/core/component_tree_root.dart
+++ b/packages/flame/lib/src/components/core/component_tree_root.dart
@@ -9,8 +9,10 @@ import 'package:meta/meta.dart';
 /// functionality, namely: it contains global lifecycle events for the component
 /// tree.
 class ComponentTreeRoot extends Component {
-  ComponentTreeRoot({super.children})
-      : _queue = RecycledQueue(_LifecycleEvent.new),
+  ComponentTreeRoot({
+    super.children,
+    super.key,
+  })  : _queue = RecycledQueue(_LifecycleEvent.new),
         _blocked = <int>{},
         _componentsToRebalance = <Component>{};
 
diff --git a/packages/flame/lib/src/components/input/keyboard_listener_component.dart b/packages/flame/lib/src/components/input/keyboard_listener_component.dart
index f39d683809b..9330f49fb5c 100644
--- a/packages/flame/lib/src/components/input/keyboard_listener_component.dart
+++ b/packages/flame/lib/src/components/input/keyboard_listener_component.dart
@@ -16,6 +16,7 @@ class KeyboardListenerComponent extends Component with KeyboardHandler {
   KeyboardListenerComponent({
     Map<LogicalKeyboardKey, KeyHandlerCallback> keyUp = const {},
     Map<LogicalKeyboardKey, KeyHandlerCallback> keyDown = const {},
+    super.key,
   })  : _keyUp = keyUp,
         _keyDown = keyDown;
 
diff --git a/packages/flame/lib/src/effects/anchor_by_effect.dart b/packages/flame/lib/src/effects/anchor_by_effect.dart
index 7aa9123faf3..edc7b7bf812 100644
--- a/packages/flame/lib/src/effects/anchor_by_effect.dart
+++ b/packages/flame/lib/src/effects/anchor_by_effect.dart
@@ -24,6 +24,7 @@ class AnchorByEffect extends AnchorEffect {
     EffectController controller, {
     AnchorProvider? target,
     void Function()? onComplete,
+    super.key,
   })  : _offset = offset.clone(),
         super(controller, target, onComplete: onComplete);
 
diff --git a/packages/flame/lib/src/effects/anchor_effect.dart b/packages/flame/lib/src/effects/anchor_effect.dart
index a280ec583c4..7fbf0dd2e7e 100644
--- a/packages/flame/lib/src/effects/anchor_effect.dart
+++ b/packages/flame/lib/src/effects/anchor_effect.dart
@@ -1,4 +1,4 @@
-import 'package:flame/src/anchor.dart';
+import 'package:flame/components.dart';
 import 'package:flame/src/effects/anchor_by_effect.dart';
 import 'package:flame/src/effects/anchor_to_effect.dart';
 import 'package:flame/src/effects/controllers/effect_controller.dart';
@@ -6,7 +6,6 @@ import 'package:flame/src/effects/effect.dart';
 import 'package:flame/src/effects/effect_target.dart';
 import 'package:flame/src/effects/measurable_effect.dart';
 import 'package:flame/src/effects/provider_interfaces.dart';
-import 'package:vector_math/vector_math_64.dart';
 
 /// Base class for effects that affect the `anchor` of their targets.
 ///
@@ -22,6 +21,7 @@ abstract class AnchorEffect extends Effect
     super.controller,
     AnchorProvider? target, {
     super.onComplete,
+    super.key,
   }) {
     this.target = target;
   }
@@ -31,12 +31,14 @@ abstract class AnchorEffect extends Effect
     EffectController controller, {
     AnchorProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
       AnchorByEffect(
         offset,
         controller,
         target: target,
         onComplete: onComplete,
+        key: key,
       );
 
   factory AnchorEffect.to(
@@ -44,11 +46,13 @@ abstract class AnchorEffect extends Effect
     EffectController controller, {
     AnchorProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
       AnchorToEffect(
         destination,
         controller,
         target: target,
         onComplete: onComplete,
+        key: key,
       );
 }
diff --git a/packages/flame/lib/src/effects/anchor_to_effect.dart b/packages/flame/lib/src/effects/anchor_to_effect.dart
index e3c785ba47c..8b881a59f18 100644
--- a/packages/flame/lib/src/effects/anchor_to_effect.dart
+++ b/packages/flame/lib/src/effects/anchor_to_effect.dart
@@ -15,6 +15,7 @@ class AnchorToEffect extends AnchorEffect {
     EffectController controller, {
     AnchorProvider? target,
     void Function()? onComplete,
+    super.key,
   })  : _destination = destination,
         super(controller, target, onComplete: onComplete);
 
diff --git a/packages/flame/lib/src/effects/color_effect.dart b/packages/flame/lib/src/effects/color_effect.dart
index 3a1c291d3e2..d50ec32a3bd 100644
--- a/packages/flame/lib/src/effects/color_effect.dart
+++ b/packages/flame/lib/src/effects/color_effect.dart
@@ -23,6 +23,7 @@ class ColorEffect extends ComponentEffect<HasPaint> {
     double opacityTo = 1,
     this.paintId,
     void Function()? onComplete,
+    super.key,
   })  : assert(
           opacityFrom >= 0 &&
               opacityFrom <= 1 &&
diff --git a/packages/flame/lib/src/effects/component_effect.dart b/packages/flame/lib/src/effects/component_effect.dart
index 52dfc95ec13..6da175afd01 100644
--- a/packages/flame/lib/src/effects/component_effect.dart
+++ b/packages/flame/lib/src/effects/component_effect.dart
@@ -9,6 +9,7 @@ abstract class ComponentEffect<T extends Component> extends Effect {
   ComponentEffect(
     super.controller, {
     super.onComplete,
+    super.key,
   });
 
   late T target;
diff --git a/packages/flame/lib/src/effects/effect.dart b/packages/flame/lib/src/effects/effect.dart
index 6c42678ec64..7ed3bf6dca4 100644
--- a/packages/flame/lib/src/effects/effect.dart
+++ b/packages/flame/lib/src/effects/effect.dart
@@ -27,8 +27,11 @@ import 'package:meta/meta.dart';
 /// changes in the effect's target; and also the `reset()` method if they have
 /// non-trivial internal state.
 abstract class Effect extends Component {
-  Effect(this.controller, {this.onComplete})
-      : removeOnFinish = true,
+  Effect(
+    this.controller, {
+    this.onComplete,
+    super.key,
+  })  : removeOnFinish = true,
         _paused = false,
         _started = false,
         _finished = false {
@@ -210,5 +213,5 @@ abstract class Effect extends Component {
   /// This is a main method that MUST be implemented in every derived class.
   void apply(double progress);
 
-  //#endregion
+//#endregion
 }
diff --git a/packages/flame/lib/src/effects/glow_effect.dart b/packages/flame/lib/src/effects/glow_effect.dart
index 00a27dda892..05a7110d766 100644
--- a/packages/flame/lib/src/effects/glow_effect.dart
+++ b/packages/flame/lib/src/effects/glow_effect.dart
@@ -11,7 +11,12 @@ import 'package:meta/meta.dart';
 /// same component also used incremental updates.
 @experimental
 class GlowEffect extends Effect with EffectTarget<PaintProvider> {
-  GlowEffect(this.strength, super.controller, {this.style = BlurStyle.outer});
+  GlowEffect(
+    this.strength,
+    super.controller, {
+    this.style = BlurStyle.outer,
+    super.key,
+  });
 
   final BlurStyle style;
   final double strength;
diff --git a/packages/flame/lib/src/effects/move_along_path_effect.dart b/packages/flame/lib/src/effects/move_along_path_effect.dart
index 296cf8f9d0b..d26832cc3a0 100644
--- a/packages/flame/lib/src/effects/move_along_path_effect.dart
+++ b/packages/flame/lib/src/effects/move_along_path_effect.dart
@@ -31,6 +31,7 @@ class MoveAlongPathEffect extends MoveEffect {
     bool oriented = false,
     PositionProvider? target,
     void Function()? onComplete,
+    super.key,
   })  : _isAbsolute = absolute,
         _followDirection = oriented,
         super(
diff --git a/packages/flame/lib/src/effects/move_by_effect.dart b/packages/flame/lib/src/effects/move_by_effect.dart
index 6e854b37b8b..1e1bbf7eb67 100644
--- a/packages/flame/lib/src/effects/move_by_effect.dart
+++ b/packages/flame/lib/src/effects/move_by_effect.dart
@@ -23,6 +23,7 @@ class MoveByEffect extends MoveEffect {
     EffectController controller, {
     PositionProvider? target,
     void Function()? onComplete,
+    super.key,
   })  : _offset = offset.clone(),
         super(controller, target, onComplete: onComplete);
 
diff --git a/packages/flame/lib/src/effects/move_effect.dart b/packages/flame/lib/src/effects/move_effect.dart
index 8a5f3a919f7..acff5968e02 100644
--- a/packages/flame/lib/src/effects/move_effect.dart
+++ b/packages/flame/lib/src/effects/move_effect.dart
@@ -1,3 +1,4 @@
+import 'package:flame/components.dart';
 import 'package:flame/src/effects/controllers/effect_controller.dart';
 import 'package:flame/src/effects/effect.dart';
 import 'package:flame/src/effects/effect_target.dart';
@@ -5,7 +6,6 @@ import 'package:flame/src/effects/measurable_effect.dart';
 import 'package:flame/src/effects/move_by_effect.dart';
 import 'package:flame/src/effects/move_to_effect.dart';
 import 'package:flame/src/effects/provider_interfaces.dart';
-import 'package:vector_math/vector_math_64.dart';
 
 /// Base class for effects that affect the `position` of their targets.
 ///
@@ -21,6 +21,7 @@ abstract class MoveEffect extends Effect
     super.controller,
     PositionProvider? target, {
     super.onComplete,
+    super.key,
   }) {
     this.target = target;
   }
@@ -30,12 +31,14 @@ abstract class MoveEffect extends Effect
     EffectController controller, {
     PositionProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
       MoveByEffect(
         offset,
         controller,
         target: target,
         onComplete: onComplete,
+        key: key,
       );
 
   factory MoveEffect.to(
@@ -43,11 +46,13 @@ abstract class MoveEffect extends Effect
     EffectController controller, {
     PositionProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
       MoveToEffect(
         destination,
         controller,
         target: target,
         onComplete: onComplete,
+        key: key,
       );
 }
diff --git a/packages/flame/lib/src/effects/move_to_effect.dart b/packages/flame/lib/src/effects/move_to_effect.dart
index 9c16502d093..81e86db8612 100644
--- a/packages/flame/lib/src/effects/move_to_effect.dart
+++ b/packages/flame/lib/src/effects/move_to_effect.dart
@@ -24,6 +24,7 @@ class MoveToEffect extends MoveEffect {
     EffectController controller, {
     PositionProvider? target,
     void Function()? onComplete,
+    super.key,
   })  : _destination = destination.clone(),
         _offset = Vector2.zero(),
         super(controller, target, onComplete: onComplete);
diff --git a/packages/flame/lib/src/effects/opacity_effect.dart b/packages/flame/lib/src/effects/opacity_effect.dart
index 87589f90978..06cc251e3ad 100644
--- a/packages/flame/lib/src/effects/opacity_effect.dart
+++ b/packages/flame/lib/src/effects/opacity_effect.dart
@@ -1,3 +1,4 @@
+import 'package:flame/components.dart';
 import 'package:flame/effects.dart';
 
 /// Change the opacity of a component over time.
@@ -13,6 +14,7 @@ class OpacityEffect extends Effect with EffectTarget<OpacityProvider> {
     super.controller, {
     OpacityProvider? target,
     super.onComplete,
+    super.key,
   }) : _opacityOffset = offset {
     this.target = target;
   }
@@ -23,12 +25,14 @@ class OpacityEffect extends Effect with EffectTarget<OpacityProvider> {
     EffectController controller, {
     OpacityProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) {
     return _OpacityToEffect(
       targetOpacity,
       controller,
       target: target,
       onComplete: onComplete,
+      key: key,
     );
   }
 
@@ -36,12 +40,14 @@ class OpacityEffect extends Effect with EffectTarget<OpacityProvider> {
     EffectController controller, {
     OpacityProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) {
     return _OpacityToEffect(
       1.0,
       controller,
       target: target,
       onComplete: onComplete,
+      key: key,
     );
   }
 
@@ -49,12 +55,14 @@ class OpacityEffect extends Effect with EffectTarget<OpacityProvider> {
     EffectController controller, {
     OpacityProvider? target,
     void Function()? onComplete,
+    ComponentKey? key,
   }) {
     return _OpacityToEffect(
       0.0,
       controller,
       target: target,
       onComplete: onComplete,
+      key: key,
     );
   }
 
@@ -89,6 +97,7 @@ class _OpacityToEffect extends OpacityEffect {
     EffectController controller, {
     OpacityProvider? target,
     void Function()? onComplete,
+    super.key,
   }) : super.by(
           0.0,
           controller,
diff --git a/packages/flame/lib/src/effects/remove_effect.dart b/packages/flame/lib/src/effects/remove_effect.dart
index e455b5356a8..0dfaa5374af 100644
--- a/packages/flame/lib/src/effects/remove_effect.dart
+++ b/packages/flame/lib/src/effects/remove_effect.dart
@@ -6,6 +6,7 @@ class RemoveEffect extends ComponentEffect {
   RemoveEffect({
     double delay = 0.0,
     void Function()? onComplete,
+    super.key,
   }) : super(
           LinearEffectController(delay),
           onComplete: onComplete,
diff --git a/packages/flame/lib/src/effects/rotate_effect.dart b/packages/flame/lib/src/effects/rotate_effect.dart
index 31e2985fc1b..40a6c19c81f 100644
--- a/packages/flame/lib/src/effects/rotate_effect.dart
+++ b/packages/flame/lib/src/effects/rotate_effect.dart
@@ -1,3 +1,4 @@
+import 'package:flame/components.dart';
 import 'package:flame/src/effects/controllers/effect_controller.dart';
 import 'package:flame/src/effects/effect.dart';
 import 'package:flame/src/effects/effect_target.dart';
@@ -25,17 +26,20 @@ class RotateEffect extends Effect
     double angle,
     super.controller, {
     super.onComplete,
+    super.key,
   }) : _angle = angle;
 
   factory RotateEffect.to(
     double angle,
     EffectController controller, {
     void Function()? onComplete,
+    ComponentKey? key,
   }) {
     return _RotateToEffect(
       angle,
       controller,
       onComplete: onComplete,
+      key: key,
     );
   }
 
@@ -58,6 +62,7 @@ class _RotateToEffect extends RotateEffect {
     double angle,
     EffectController controller, {
     void Function()? onComplete,
+    super.key,
   })  : _destinationAngle = angle,
         super.by(0, controller, onComplete: onComplete);
 
diff --git a/packages/flame/lib/src/effects/scale_effect.dart b/packages/flame/lib/src/effects/scale_effect.dart
index 5141813dcaf..7350b16aa51 100644
--- a/packages/flame/lib/src/effects/scale_effect.dart
+++ b/packages/flame/lib/src/effects/scale_effect.dart
@@ -1,8 +1,8 @@
+import 'package:flame/components.dart';
 import 'package:flame/src/effects/controllers/effect_controller.dart';
 import 'package:flame/src/effects/effect.dart';
 import 'package:flame/src/effects/effect_target.dart';
 import 'package:flame/src/effects/provider_interfaces.dart';
-import 'package:vector_math/vector_math_64.dart';
 
 /// Scale a component.
 ///
@@ -20,17 +20,20 @@ class ScaleEffect extends Effect with EffectTarget<ScaleProvider> {
     Vector2 scaleFactor,
     super.controller, {
     super.onComplete,
+    super.key,
   }) : _scaleFactor = scaleFactor.clone();
 
   factory ScaleEffect.to(
     Vector2 targetScale,
     EffectController controller, {
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
       _ScaleToEffect(
         targetScale,
         controller,
         onComplete: onComplete,
+        key: key,
       );
 
   final Vector2 _scaleFactor;
@@ -59,6 +62,7 @@ class _ScaleToEffect extends ScaleEffect {
     Vector2 targetScale,
     EffectController controller, {
     void Function()? onComplete,
+    super.key,
   })  : _targetScale = targetScale.clone(),
         super.by(
           Vector2.zero(),
diff --git a/packages/flame/lib/src/effects/sequence_effect.dart b/packages/flame/lib/src/effects/sequence_effect.dart
index a99d76c2ffe..625146dd5ce 100644
--- a/packages/flame/lib/src/effects/sequence_effect.dart
+++ b/packages/flame/lib/src/effects/sequence_effect.dart
@@ -52,6 +52,7 @@ class SequenceEffect extends Effect {
     bool infinite = false,
     int repeatCount = 1,
     super.onComplete,
+    super.key,
   })  : assert(effects.isNotEmpty, 'The list of effects cannot be empty'),
         assert(
           !(infinite && repeatCount != 1),
diff --git a/packages/flame/lib/src/effects/size_effect.dart b/packages/flame/lib/src/effects/size_effect.dart
index 0c47b438270..c9acb447fb0 100644
--- a/packages/flame/lib/src/effects/size_effect.dart
+++ b/packages/flame/lib/src/effects/size_effect.dart
@@ -21,6 +21,7 @@ class SizeEffect extends Effect with EffectTarget<SizeProvider> {
     super.controller, {
     SizeProvider? target,
     super.onComplete,
+    super.key,
   }) : _offset = offset.clone() {
     this.target = target;
   }
@@ -35,8 +36,14 @@ class SizeEffect extends Effect with EffectTarget<SizeProvider> {
     Vector2 targetSize,
     EffectController controller, {
     void Function()? onComplete,
+    ComponentKey? key,
   }) =>
-      _SizeToEffect(targetSize, controller, onComplete: onComplete);
+      _SizeToEffect(
+        targetSize,
+        controller,
+        onComplete: onComplete,
+        key: key,
+      );
 
   Vector2 _offset;
 
@@ -56,6 +63,7 @@ class _SizeToEffect extends SizeEffect {
     Vector2 targetSize,
     EffectController controller, {
     void Function()? onComplete,
+    super.key,
   })  : _targetSize = targetSize.clone(),
         super.by(
           Vector2.zero(),
diff --git a/packages/flame/lib/src/effects/transform2d_effect.dart b/packages/flame/lib/src/effects/transform2d_effect.dart
index d72816f9926..58cdfdb33bb 100644
--- a/packages/flame/lib/src/effects/transform2d_effect.dart
+++ b/packages/flame/lib/src/effects/transform2d_effect.dart
@@ -15,6 +15,7 @@ abstract class Transform2DEffect extends ComponentEffect<PositionComponent> {
   Transform2DEffect(
     super.controller, {
     super.onComplete,
+    super.key,
   });
 
   late Transform2D transform;
diff --git a/packages/flame/lib/src/geometry/circle_component.dart b/packages/flame/lib/src/geometry/circle_component.dart
index 55dcf949610..844badef69f 100644
--- a/packages/flame/lib/src/geometry/circle_component.dart
+++ b/packages/flame/lib/src/geometry/circle_component.dart
@@ -21,6 +21,7 @@ class CircleComponent extends ShapeComponent implements SizeProvider {
     super.priority,
     super.paint,
     super.paintLayers,
+    super.key,
   }) : super(size: Vector2.all((radius ?? 0) * 2));
 
   /// With this constructor you define the [CircleComponent] in relation to the
@@ -36,6 +37,7 @@ class CircleComponent extends ShapeComponent implements SizeProvider {
     super.paint,
     super.paintLayers,
     super.children,
+    super.key,
   }) : super(size: Vector2.all(relation * min(parentSize.x, parentSize.y)));
 
   @override