diff --git a/lib/models/animal_model.dart b/lib/models/animal_model.dart
new file mode 100644
index 0000000..6c917ca
--- /dev/null
+++ b/lib/models/animal_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Animal {
+  final String name;
+  final String svgAsset;
+  final String soundAsset;
+  final Color backgroundColor;
+
+  Animal({
+    required this.name,
+    required this.svgAsset,
+    required this.soundAsset,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/models/bird_model.dart b/lib/models/bird_model.dart
new file mode 100644
index 0000000..f7aa028
--- /dev/null
+++ b/lib/models/bird_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Bird {
+  final String name;
+  final String svgAsset;
+  final String soundAsset;
+  final Color backgroundColor;
+
+  Bird({
+    required this.name,
+    required this.svgAsset,
+    required this.soundAsset,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/models/colours_model.dart b/lib/models/colours_model.dart
new file mode 100644
index 0000000..5293a08
--- /dev/null
+++ b/lib/models/colours_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Colours {
+  final String name;
+  final String jpgAsset;
+  final Color bgColor;
+  final Color fontColor;
+
+  Colours({
+    required this.name,
+    required this.jpgAsset,
+    required this.bgColor,
+    required this.fontColor,
+  });
+}
diff --git a/lib/models/itemdata_model.dart b/lib/models/itemdata_model.dart
new file mode 100644
index 0000000..c0ad7ca
--- /dev/null
+++ b/lib/models/itemdata_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class ItemData {
+  final String iconAsset;
+  final String title;
+  final String description;
+  final Color backgroundColor;
+
+  ItemData({
+    required this.iconAsset,
+    required this.title,
+    required this.description,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/models/occupation_model.dart b/lib/models/occupation_model.dart
new file mode 100644
index 0000000..0cbf7f6
--- /dev/null
+++ b/lib/models/occupation_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Occupation {
+  final String name;
+  final String description;
+  final String svgAsset;
+  final Color backgroundColor;
+
+  Occupation({
+    required this.name,
+    required this.description,
+    required this.svgAsset,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/models/planet_model.dart b/lib/models/planet_model.dart
new file mode 100644
index 0000000..40c8432
--- /dev/null
+++ b/lib/models/planet_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Planet {
+  final String name;
+  final String svgAsset;
+  final String description;
+  final Color backgroundColor;
+
+  Planet({
+    required this.name,
+    required this.svgAsset,
+    required this.description,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/models/season_model.dart b/lib/models/season_model.dart
new file mode 100644
index 0000000..9d57a74
--- /dev/null
+++ b/lib/models/season_model.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class Season {
+  final String name;
+  final String description;
+  final String imageAsset;
+  final Color backgroundColor;
+
+  Season({
+    required this.name,
+    required this.description,
+    required this.imageAsset,
+    required this.backgroundColor,
+  });
+}
diff --git a/lib/pages/modules/animals.dart b/lib/pages/modules/animals.dart
index 099aaa2..5149073 100644
--- a/lib/pages/modules/animals.dart
+++ b/lib/pages/modules/animals.dart
@@ -4,22 +4,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 import 'package:just_audio/just_audio.dart';
+import 'package:learn/models/animal_model.dart';
 import 'package:learn/utils/constants.dart';
 
-class Animal {
-  final String name;
-  final String svgAsset;
-  final String soundAsset;
-  final Color backgroundColor;
-
-  Animal({
-    required this.name,
-    required this.svgAsset,
-    required this.soundAsset,
-    required this.backgroundColor,
-  });
-}
-
 class AnimalsPage extends StatelessWidget {
 
 
diff --git a/lib/pages/modules/atoz.dart b/lib/pages/modules/atoz.dart
index d5604e2..113c958 100644
--- a/lib/pages/modules/atoz.dart
+++ b/lib/pages/modules/atoz.dart
@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'dart:async';
 import 'package:flutter_tts/flutter_tts.dart';
+import 'package:learn/models/itemdata_model.dart';
 
 class ItemTile extends StatelessWidget {
   final int index;
@@ -222,20 +223,6 @@ class _PopupDialogState extends State<_PopupDialog> {
   }
 }
 
-class ItemData {
-  final String iconAsset;
-  final String title;
-  final String description;
-  final Color backgroundColor;
-
-  ItemData({
-    required this.iconAsset,
-    required this.title,
-    required this.description,
-    required this.backgroundColor,
-  });
-}
-
 class AtoZ extends StatefulWidget {
   const AtoZ({Key? key}) : super(key: key);
 
diff --git a/lib/pages/modules/birds.dart b/lib/pages/modules/birds.dart
index e8a138b..563c7a5 100644
--- a/lib/pages/modules/birds.dart
+++ b/lib/pages/modules/birds.dart
@@ -4,22 +4,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 import 'package:just_audio/just_audio.dart';
+import 'package:learn/models/bird_model.dart';
 import 'package:learn/utils/constants.dart';
 
-class Bird {
-  final String name;
-  final String svgAsset;
-  final String soundAsset;
-  final Color backgroundColor;
-
-  Bird({
-    required this.name,
-    required this.svgAsset,
-    required this.soundAsset,
-    required this.backgroundColor,
-  });
-}
-
 class BirdsPage extends StatelessWidget {
 
 
diff --git a/lib/pages/modules/colours.dart b/lib/pages/modules/colours.dart
index cdfcf09..1d01193 100644
--- a/lib/pages/modules/colours.dart
+++ b/lib/pages/modules/colours.dart
@@ -1,20 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 import 'package:flutter_svg/flutter_svg.dart';
+import 'package:learn/models/colours_model.dart';
 
-class Colours {
-  final String name;
-  final String jpgAsset;
-  final Color bgColor;
-  final Color fontColor;
-
-  Colours({
-    required this.name,
-    required this.jpgAsset,
-    required this.bgColor,
-    required this.fontColor,
-  });
-}
 
 class ColoursPage extends StatefulWidget {
   const ColoursPage({Key? key}) : super(key: key);
diff --git a/lib/pages/modules/occupation.dart b/lib/pages/modules/occupation.dart
index ee160c6..220964b 100644
--- a/lib/pages/modules/occupation.dart
+++ b/lib/pages/modules/occupation.dart
@@ -2,22 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 import 'package:just_audio/just_audio.dart';
+import 'package:learn/models/occupation_model.dart';
 import 'package:learn/utils/constants.dart';
 
-class Occupation {
-  final String name;
-  final String description;
-  final String svgAsset;
-  final Color backgroundColor;
-
-  Occupation({
-    required this.name,
-    required this.description,
-    required this.svgAsset,
-    required this.backgroundColor,
-  });
-}
-
 class OccupationPage extends StatelessWidget {
   final FlutterTts flutterTts = FlutterTts();
   final AudioPlayer audioPlayer = AudioPlayer();
diff --git a/lib/pages/modules/seasons.dart b/lib/pages/modules/seasons.dart
index 1de3e79..5643f3e 100644
--- a/lib/pages/modules/seasons.dart
+++ b/lib/pages/modules/seasons.dart
@@ -1,23 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
+import 'package:learn/models/season_model.dart';
 import 'package:learn/utils/constants.dart';
 
-class Season {
-  final String name;
-  final String description;
-  final String imageAsset;
-  final Color backgroundColor;
-
-  Season({
-    required this.name,
-    required this.description,
-    required this.imageAsset,
-    required this.backgroundColor,
-  });
-}
-
 class SeasonsPage extends StatelessWidget {
-  SeasonsPage({Key? key}) : super(key: key);
+  const SeasonsPage({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -86,7 +73,7 @@ class SeasonPopup extends StatefulWidget {
   final int currentIndex;
   final List<Season> seasons;
 
-  SeasonPopup({
+  const SeasonPopup({
     required this.currentIndex,
     required this.seasons,
   });
diff --git a/lib/pages/modules/solar.dart b/lib/pages/modules/solar.dart
index 4780968..3bc9b56 100644
--- a/lib/pages/modules/solar.dart
+++ b/lib/pages/modules/solar.dart
@@ -2,20 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 import 'package:just_audio/just_audio.dart';
-
-class Planet {
-  final String name;
-  final String svgAsset;
-  final String description;
-  final Color backgroundColor;
-
-  Planet({
-    required this.name,
-    required this.svgAsset,
-    required this.description,
-    required this.backgroundColor,
-  });
-}
+import 'package:learn/models/planet_model.dart';
 
 class PlanetsPage extends StatelessWidget {
   final List<Planet> planets = [
diff --git a/lib/utils/constants.dart b/lib/utils/constants.dart
index fa33360..6c3cbd0 100644
--- a/lib/utils/constants.dart
+++ b/lib/utils/constants.dart
@@ -1,12 +1,14 @@
 import 'dart:ui';
 
+import 'package:learn/models/animal_model.dart';
+import 'package:learn/models/bird_model.dart';
+import 'package:learn/models/itemdata_model.dart';
+import 'package:learn/models/occupation_model.dart';
+import 'package:learn/models/season_model.dart';
+
 import '../explore/quiz.dart';
 import 'package:flutter/material.dart';
-import '../pages/modules/animals.dart';
-import '../pages/modules/atoz.dart';
-import '../pages/modules/birds.dart';
-import '../pages/modules/seasons.dart';
-import '../pages/modules/occupation.dart';
+
 
 class AppConstants {
   static const List<String> candidates = [