diff --git a/src/activities/erase/Block.qml b/src/activities/erase/Block.qml
--- a/src/activities/erase/Block.qml
+++ b/src/activities/erase/Block.qml
@@ -28,21 +28,26 @@
     id: block
     property Item main
     property Item bar
+    property Item background
     property double ix
     property double iy
     property int nbx
     property int nby
 
     x: ix * main.width / nbx
-    y: iy * (main.height - bar.height / 2) / nby
+    y: iy * (main.height - bar.height) / (nby + getMultipleOfRatioToAdjustHeight() * ApplicationInfo.ratio)
     width: main.width / nbx
-    height: (main.height - bar.height / 2) / nby
+    height: (main.height - bar.height) / (nby + getMultipleOfRatioToAdjustHeight() * ApplicationInfo.ratio)
 
     signal enter
     signal leave
     property string type
     property int counter: 0
 
+    function getMultipleOfRatioToAdjustHeight() {
+        return (background.width > background.height + 40 * ApplicationInfo.ratio) ? 0.125 : 0.625
+    }
+
     onEnter: {
         if(opacity == 1.0) {
             playSound()
diff --git a/src/activities/erase/Erase.qml b/src/activities/erase/Erase.qml
--- a/src/activities/erase/Erase.qml
+++ b/src/activities/erase/Erase.qml
@@ -99,6 +99,7 @@
                 type: activity.type
                 main: MAIN
                 bar: BAR
+                background: items.background
             }
         }
 
@@ -124,8 +125,9 @@
         }
 
         Score {
+            id: score
             anchors {
-                bottom: parent.bottom
+                bottom: (background.width > background.height + 40 * ApplicationInfo.ratio) ? background.bottom : bar.top
                 bottomMargin: 10 * ApplicationInfo.ratio
                 right: parent.right
                 rightMargin: 10 * ApplicationInfo.ratio
diff --git a/src/activities/erase/erase.js b/src/activities/erase/erase.js
--- a/src/activities/erase/erase.js
+++ b/src/activities/erase/erase.js
@@ -22,6 +22,7 @@
 
 .pragma library
 .import QtQuick 2.6 as Quick
+.import GCompris 1.0 as GCompris //for ApplicationInfo
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var url = "qrc:/gcompris/src/activities/erase/resource/"
@@ -128,8 +129,8 @@
     }
     createdBlocks = 0
     killedBlocks = 0
-    var nbx = (currentLevel % 2 * 3) + 5;
-    var nby = (currentLevel % 2 * 3) + 5;
+    var nbx = Math.min((currentLevel % 2 * 3) + 5, main.width / (10 * GCompris.ApplicationInfo.ratio));
+    var nby = Math.min((currentLevel % 2 * 3) + 5, main.height / (10 * GCompris.ApplicationInfo.ratio));
     var w = main.width / nbx
     var h = (main.height - items.bar.height) / nby
     var i = 0