diff --git a/src/backend/Grid.java b/src/backend/Grid.java
new file mode 100644
index 0000000..1393270
--- /dev/null
+++ b/src/backend/Grid.java
@@ -0,0 +1,29 @@
+package backend;
+
+public class Grid {
+    private int width;
+    private int height;
+    private int[][] grid;
+
+    public Grid(int width, int height) {
+        this.width = width;
+        this.height = height;
+        this.grid = new int[height][width];
+    }
+
+    public void setValue(int x, int y, int value) {
+        if (x >= 0 && x < width && y >= 0 && y < height) {
+            grid[y][x] = value;
+        } else {
+            throw new IndexOutOfBoundsException("Grid position out of range");
+        }
+    }
+
+    public int getValue(int x, int y) {
+        if (x >= 0 && x < width && y >= 0 && y < height) {
+            return grid[y][x];
+        } else {
+            throw new IndexOutOfBoundsException("Grid position out of range");
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index dc1efa3..73c3c66 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -22,8 +22,9 @@ public class Simulator extends Thread {
 	private boolean stopFlag;
 	private boolean pauseFlag;
 	private boolean loopingBorder;
-	private boolean clickActionFlag;
+	private boolean clickActionFlag=false;
 	private int loopDelay = 150;
+	Grid maingrid = new Grid(COL_NUM, LINE_NUM);
 
 	//TODO : add missing attribute(s)
 
@@ -57,7 +58,7 @@ public class Simulator extends Thread {
 		return LINE_NUM;
 	}
 
-	//Should probably stay as is
+	//Should probably stay as it is
 	public void run() {
 		int stepCount=0;
 		while(!stopFlag) {
@@ -142,6 +143,13 @@ public class Simulator extends Thread {
 	 */
 	public void clickCell(int x, int y) {
 		//TODO : complete method
+		if(clickActionFlag) {
+			if (getCell(x, y)==0) {
+				setCell(x, y,1);
+			}else {
+				setCell(x, y,0);
+			}
+		}
 	}
 	
 	/**
@@ -151,8 +159,8 @@ public class Simulator extends Thread {
 	 * @return value of cell
 	 */
 	public int getCell(int x, int y) {
-		//TODO : complete method with proper return
-		return 0;
+		//TODO : complete method with proper retur	
+		return maingrid.getValue(x, y);
 	}
 	/**
 	 * 
@@ -187,7 +195,8 @@ public class Simulator extends Thread {
 	 */
 	public void setCell(int x, int y, int val) {
 		//TODO : complete method
-	}
+		maingrid.setValue(x, y, val);
+		}
 	
 	/**
 	 * 
@@ -265,6 +274,11 @@ public class Simulator extends Thread {
 	
 	public void toggleClickAction() {
 		//TODO : complete method
+		if(clickActionFlag) {
+			clickActionFlag=false;
+		}else {
+			clickActionFlag=true;
+		}
 	}
 
 	/**
@@ -327,4 +341,4 @@ public class Simulator extends Thread {
 		return "";
 	}
 
-}
\ No newline at end of file
+}
diff --git a/src/windowInterface/MyInterface.java b/src/windowInterface/MyInterface.java
index cf2b1ef..69dabf4 100644
--- a/src/windowInterface/MyInterface.java
+++ b/src/windowInterface/MyInterface.java
@@ -92,13 +92,13 @@ public class MyInterface extends JFrame {
 		});
 		panelTop.add(speedSlider);
 
-//		JButton btnSpeed = new JButton("Set Speed");
-//		btnSpeed.addActionListener(new ActionListener() {
-//			public void actionPerformed(ActionEvent e) {
-//				clicButtonSpeed();
-//			}
-//		});
-//		panelTop.add(btnSpeed);
+		/*JButton btnSpeed = new JButton("Set Speed");
+		btnSpeed.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				clicButtonSpeed();
+			}
+		});
+		panelTop.add(btnSpeed);*/
 
 		JButton btnLoad = new JButton("Load World");
 		btnLoad.addActionListener(new ActionListener() {