diff --git a/src/activities/number_sequence/ActivityConfig.qml b/src/activities/number_sequence/ActivityConfig.qml
new file mode 100644
--- /dev/null
+++ b/src/activities/number_sequence/ActivityConfig.qml
@@ -0,0 +1,66 @@
+/* GCompris - ActivityConfig.qml
+ *
+ * Copyright (C) 2020 Shubham Mishra <shivam828787@gmail.com>
+ *
+ * Authors:
+ *   Shubham Mishra <shivam828787@gmail.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+import QtQuick 2.6
+import "number_sequence.js" as Activity
+import "../../core"
+
+Item {
+    id: activityConfiguration
+    property Item background
+    property alias modeBox: modeBox
+    width: if(background) background.width
+    property var availableModes: [
+        { "text": qsTr("Automatic"), "value": 1 },
+        { "text": qsTr("Manual"), "value": 2 }
+    ]
+    Flow {
+        id: flow
+        spacing: 5
+        width: dialogActivityConfig.width
+        GCComboBox {
+            id: modeBox
+            model: availableModes
+            background: dialogActivityConfig
+            label: qsTr("Go to next level")
+        }
+    }
+
+    property var dataToSave
+
+    function setDefaultValues() {
+        if(dataToSave["mode"] === undefined) {
+            dataToSave["mode"] = 1;
+            modeBox.currentIndex = 0
+        }
+        for(var i = 0 ; i < availableModes.length ; i ++) {
+            if(availableModes[i].value == dataToSave["mode"]) {
+                modeBox.currentIndex = i;
+                break;
+            }
+        }
+    }
+
+    function saveValues() {
+        var newMode = availableModes[modeBox.currentIndex].value;
+        dataToSave = {"mode": newMode};
+        Activity.initLevel();
+    }
+}
diff --git a/src/activities/number_sequence/NumberSequence.qml b/src/activities/number_sequence/NumberSequence.qml
--- a/src/activities/number_sequence/NumberSequence.qml
+++ b/src/activities/number_sequence/NumberSequence.qml
@@ -46,7 +46,7 @@
         signal stop
 
         Component.onCompleted: {
-            dialogActivityConfig.getInitialConfiguration()
+            dialogActivityConfig.initialize()
             activity.start.connect(start)
             activity.stop.connect(stop)
         }
@@ -65,7 +65,7 @@
             property alias imageBack: imageBack
             property alias imageBack2: imageBack2
             property int pointIndexToClick
-            property int mode: 1
+            property int mode
         }
 
         onStart: { Activity.start(items,mode,dataset,url) }
@@ -246,82 +246,36 @@
             onClose: home()
         }
         
-        DialogActivityConfig {
+        DialogChooseLevel {
             id: dialogActivityConfig
-            currentActivity: activity
-            content: Component {
-                Item {
-                    property alias modeBox: modeBox
-
-                    property var availableModes: [
-                        { "text": qsTr("Automatic"), "value": 1 },
-                        { "text": qsTr("Manual"), "value": 2 }
-                    ]
-
-                    Flow {
-                        id: flow
-                        spacing: 5
-                        width: dialogActivityConfig.width
-                        GCComboBox {
-                            id: modeBox
-                            model: availableModes
-                            background: dialogActivityConfig
-                            label: qsTr("Go to next level")
-                        }
-                    }
-                }
-            }
+            currentActivity: activity.activityInfo
 
             onClose: home()
 
             onLoadData: {
-                if(dataToSave && dataToSave["mode"]) {
-                    items.mode = dataToSave["mode"];
-                }
-            }
-            onSaveData: {
-                var newMode = dialogActivityConfig.configItem.availableModes[dialogActivityConfig.configItem.modeBox.currentIndex].value;
-                if (newMode !== items.mode) {
-                    items.mode = newMode;
-                    dataToSave = {"mode": items.mode};
-                }
-                if (items.mode == 1) {
-                    bonus.win.connect(Activity.nextLevel)
-                } else {
-                    bonus.win.disconnect(Activity.nextLevel)
-                }
-                Activity.initLevel();
-            }
-            function setDefaultValues() {
-                for(var i = 0 ; i < dialogActivityConfig.configItem.availableModes.length ; i++) {
-                    if(dialogActivityConfig.configItem.availableModes[i].value === items.mode) {
-                        dialogActivityConfig.configItem.modeBox.currentIndex = i;
-                        break;
-                    }
+                if(activityData && activityData["mode"]) {
+                    items.mode = activityData["mode"];
                 }
             }
         }
 
         Bar {
             id: bar
-            content: BarEnumContent { value: help | home | level | config }
+            content: BarEnumContent { value: help | home | level | activityConfig }
             onHelpClicked: {
                 displayDialog(dialogHelp)
             }
             onPreviousLevelClicked: Activity.previousLevel()
             onNextLevelClicked: Activity.nextLevel()
             onHomeClicked: activity.home()
-            onConfigClicked: {
-                dialogActivityConfig.active = true
-                // Set default values
-                dialogActivityConfig.setDefaultValues();
+            onActivityConfigClicked: {
                 displayDialog(dialogActivityConfig)
             }
         }
 
         Bonus {
             id: bonus
-            Component.onCompleted: items.mode == 1 ? win.connect(Activity.nextLevel) : win.disconnect(Activity.nextLevel)
+            onWin: items.mode == 1 ? Activity.nextLevel() : 1;
         }
     }
 }
diff --git a/src/activities/number_sequence/number_sequence.js b/src/activities/number_sequence/number_sequence.js
--- a/src/activities/number_sequence/number_sequence.js
+++ b/src/activities/number_sequence/number_sequence.js
@@ -51,6 +51,7 @@
     items.bar.level = currentLevel + 1
     items.pointIndexToClick = 0
     loadCoordinates()
+    eraseSegments()
     loadBackgroundImage()
     if(mode == "drawletters" || mode == "drawnumbers") {
         //function to play letter sound at start
@@ -80,6 +81,11 @@
     items.audioVoices.append(sound)
 }
 
+function eraseSegments(){
+    for(var i = 0; i < items.segmentsRepeater.count; i++)
+        items.segmentsRepeater.itemAt(i).opacity = 0
+}
+
 
 function drawSegment(pointIndex) {
     if (pointIndex == items.pointIndexToClick) {