diff --git a/src/app/editor/script-account-editor/script-account-editor.component.html b/src/app/editor/script-account-editor/script-account-editor.component.html
index 0935334..406e563 100644
--- a/src/app/editor/script-account-editor/script-account-editor.component.html
+++ b/src/app/editor/script-account-editor/script-account-editor.component.html
@@ -1,13 +1,13 @@
 <div *ngIf="scriptAccount != undefined">
   <mat-form-field class="example-full-width">
     <mat-label>MinValue</mat-label>
-    <input matInput [formControl]="minCtrl" type="number" (keypress)="onKeyPress($event)" (change)="onUpdateMinValue()">
+    <input matInput [formControl]="minCtrl" type="number"  (change)="onUpdateMinValue($event)">
     <mat-error *ngIf="minCtrl.hasError('required')">Please enter a valid number!</mat-error>
   </mat-form-field>
 
   <mat-form-field class="example-full-width">
     <mat-label>MaxValue</mat-label>
-    <input matInput type="number" [formControl]="maxCtrl" (keypress)="onKeyPress($event)" (change)="onUpdateMaxValue()">
+    <input matInput type="number" [formControl]="maxCtrl" (change)="onUpdateMaxValue()">
     <mat-error *ngIf="maxCtrl.hasError('required')">Please enter a valid number!</mat-error>
   </mat-form-field>
 
diff --git a/src/app/editor/script-account-editor/script-account-editor.component.ts b/src/app/editor/script-account-editor/script-account-editor.component.ts
index 271352a..4ee4a56 100644
--- a/src/app/editor/script-account-editor/script-account-editor.component.ts
+++ b/src/app/editor/script-account-editor/script-account-editor.component.ts
@@ -22,8 +22,8 @@ export class MyErrorStateMatcher implements ErrorStateMatcher {
 export class ScriptAccountEditorComponent implements OnInit{
   @Input("scriptAccount") scriptAccount : ScriptAccount | undefined
 
-  minCtrl: FormControl = new FormControl(0, [Validators.required, Validators.pattern('^[0-9]*$')]);
-  maxCtrl: FormControl = new FormControl(100, [Validators.required, Validators.pattern('^[0-9]*$')]);
+  minCtrl: FormControl = new FormControl(0, [Validators.required, Validators.pattern('^[-]?[0-9]*$')]);
+  maxCtrl: FormControl = new FormControl(100, [Validators.required, Validators.pattern('^[-]?[0-9]*$')]);
   matcher = new MyErrorStateMatcher();
 
   constructor(private electronService: ElectronService) {
@@ -33,15 +33,8 @@ export class ScriptAccountEditorComponent implements OnInit{
     this.maxCtrl.setValue(this.scriptAccount!.maxValue);
   }
 
-  onKeyPress(event: KeyboardEvent) {
-    const input = event.key;
-    const isDigit = /^\d+$/.test(input);
-    if (!isDigit) {
-      event.preventDefault();
-    }
-  }
 
-  onUpdateMinValue() {
+  onUpdateMinValue(event: Event) {
     this.scriptAccount!.minValue = Number(this.minCtrl.value);
     this.scriptAccount!.onModifyContent();
   }
diff --git a/testModel/gamesystems/Weather.json b/testModel/gamesystems/Weather.json
deleted file mode 100644
index c7f2531..0000000
--- a/testModel/gamesystems/Weather.json
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-    "componentName": "Weather",
-    "componentDescription": "",
-    "states": [
-        {
-            "initial": false,
-            "conditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": 0,
-                    "maxValue": "50"
-                }
-            ],
-            "stateLabel": "Sonnig",
-            "stateDescription": "Die Sonne scheint"
-        },
-        {
-            "initial": false,
-            "conditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": "50",
-                    "maxValue": "75"
-                }
-            ],
-            "stateLabel": "Wolkig",
-            "stateDescription": ""
-        }
-    ],
-    "transitions": [
-        {
-            "scriptAccountActions": [
-                {
-                    "changingValue": 10,
-                    "scriptAccount": "Temperature"
-                }
-            ],
-            "scriptAccountConditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": 0,
-                    "maxValue": "10"
-                }
-            ],
-            "startingState": "Sonnig",
-            "endingState": "Wolkig"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/testModel/gamesystems/Weather/Parent Weather.json b/testModel/gamesystems/Weather/Parent Weather.json
deleted file mode 100644
index d4797d0..0000000
--- a/testModel/gamesystems/Weather/Parent Weather.json	
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "componentName": "Parent Weather",
-    "componentDescription": "",
-    "states": [],
-    "transitions": []
-}
\ No newline at end of file
diff --git a/testModel/gamesystems/Weather/Weather(Child).json b/testModel/gamesystems/Weather/Weather(Child).json
deleted file mode 100644
index 76b2e76..0000000
--- a/testModel/gamesystems/Weather/Weather(Child).json
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-    "componentName": "Weather(Child)",
-    "componentDescription": "",
-    "states": [
-        {
-            "initial": false,
-            "conditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": 0,
-                    "maxValue": "50"
-                }
-            ],
-            "stateLabel": "Sonnig",
-            "stateDescription": "Die Sonne scheint"
-        },
-        {
-            "initial": false,
-            "conditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": "50",
-                    "maxValue": "75"
-                }
-            ],
-            "stateLabel": "Wolkig",
-            "stateDescription": ""
-        }
-    ],
-    "transitions": [
-        {
-            "scriptAccountActions": [
-                {
-                    "changingValue": 10,
-                    "scriptAccount": "Temperature"
-                }
-            ],
-            "scriptAccountConditions": [
-                {
-                    "scriptAccount": "Temperature",
-                    "minValue": 0,
-                    "maxValue": "10"
-                }
-            ],
-            "startingState": "Sonnig",
-            "endingState": "Wolkig"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/testModel/gamesystems/Weather/Weather.json b/testModel/gamesystems/Weather/Weather.json
deleted file mode 100644
index f989303..0000000
--- a/testModel/gamesystems/Weather/Weather.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-    "componentName": "Weather",
-    "componentDescription": ""
-}
\ No newline at end of file
diff --git a/testModel/gamesystems/Weathersystem/Weather.json b/testModel/gamesystems/Weathersystem/Weather.json
new file mode 100644
index 0000000..f35425f
--- /dev/null
+++ b/testModel/gamesystems/Weathersystem/Weather.json
@@ -0,0 +1,80 @@
+{
+    "componentName": "Weather",
+    "componentDescription": "A small Gamesystem about local weather events",
+    "states": [
+        {
+            "initial": false,
+            "conditions": [],
+            "stateLabel": "Sonne",
+            "stateDescription": ""
+        },
+        {
+            "initial": false,
+            "conditions": [
+                {
+                    "scriptAccount": "Temperature",
+                    "minValue": 0,
+                    "maxValue": "30"
+                }
+            ],
+            "stateLabel": "Regen",
+            "stateDescription": ""
+        },
+        {
+            "initial": false,
+            "conditions": [],
+            "stateLabel": "Wolke",
+            "stateDescription": ""
+        },
+        {
+            "initial": false,
+            "conditions": [
+                {
+                    "scriptAccount": "Temperature",
+                    "minValue": "-5",
+                    "maxValue": 0
+                }
+            ],
+            "stateLabel": "Schnee",
+            "stateDescription": ""
+        }
+    ],
+    "transitions": [
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Sonne",
+            "endingState": "Wolke"
+        },
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Wolke",
+            "endingState": "Sonne"
+        },
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Wolke",
+            "endingState": "Regen"
+        },
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Regen",
+            "endingState": "Wolke"
+        },
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Wolke",
+            "endingState": "Schnee"
+        },
+        {
+            "scriptAccountActions": [],
+            "scriptAccountConditions": [],
+            "startingState": "Schnee",
+            "endingState": "Wolke"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/testModel/gamesystems/Weathersystem/Weathersystem.json b/testModel/gamesystems/Weathersystem/Weathersystem.json
new file mode 100644
index 0000000..4a0733a
--- /dev/null
+++ b/testModel/gamesystems/Weathersystem/Weathersystem.json
@@ -0,0 +1,4 @@
+{
+    "componentName": "Weathersystem",
+    "componentDescription": "Ein Wettersystem, dass sich aus normalem Wetter (Sonne, Regen, Wolke, Schnee, Sturm etc.) und zusätzlich den Jahreszeiten (Frühling, Sommer, Herbst, Winter, etc.) zusammensetzt."
+}
\ No newline at end of file
diff --git a/testModel/script-accounts/Temperature.json b/testModel/script-accounts/Temperature.json
index 686f64e..53db39d 100644
--- a/testModel/script-accounts/Temperature.json
+++ b/testModel/script-accounts/Temperature.json
@@ -1,6 +1,6 @@
 {
     "componentName": "Temperature",
     "componentDescription": "",
-    "minValue": 0,
-    "maxValue": 100
+    "minValue": -50,
+    "maxValue": 70
 }
\ No newline at end of file