diff --git a/Bee.java b/Bee.java
index 0ded865..352d57b 100755
--- a/Bee.java
+++ b/Bee.java
@@ -19,8 +19,9 @@ public void addedToWorld(World w) {
 
     @Override
     public void act() {
-        super.act();
+        
         attack();
         collision();
+        super.act();
     }
 }
diff --git a/BlueBee.java b/BlueBee.java
index a7bdcc5..fd31141 100755
--- a/BlueBee.java
+++ b/BlueBee.java
@@ -20,9 +20,10 @@ public void addedToWorld(World w) {
     }
 
     public void act() {
-        super.act();
+        
         movement();
         collision();
+        super.act();
     }
 
     private void movement() {
diff --git a/Coin.java b/Coin.java
index 2f8b261..ad6164d 100644
--- a/Coin.java
+++ b/Coin.java
@@ -7,13 +7,14 @@
  * @author (your name)
  * @version (a version number or a date)
  */
-public class Coin extends Actor {
+public class Coin extends Collection {
     private GreenfootImage image;
-
+    
     public Coin(){
         image = new GreenfootImage("coin.png");
-        image.scale(45,55);
+        image.scale(45,45);
         setImage(image);
+            
     }
 
     /**
@@ -25,9 +26,6 @@ public void act() {
             getWorld().removeObject(this);
             Level.addToTotalCoin();
         }
-    }
-
-    public boolean isBeingTouched() {
-        return isTouching(Player.class);
+        
     }
 }
diff --git a/Level.java b/Level.java
index 649e13b..f74cb8b 100755
--- a/Level.java
+++ b/Level.java
@@ -8,6 +8,7 @@
 
 public class Level extends World {
     protected static int totalCoins = 0;
+    protected static int numOfCrown=0;
     private final int[] worldSize = {2560, 720};
     private final String background = "2dPixelForestBackground.png";
     private final Font font = new Font("Arial", 18);
@@ -24,10 +25,12 @@ public Level() {
     public static void addToTotalCoin() {
         totalCoins++;
     }
-
+    public static void addCrown(){
+        numOfCrown++;
+    }
     public void spawnFloor(ImgScroll sc) {
         for (int j = 0; j < sc.getScrollHeight() - 100; j += 300) {
-            for (int i = 0; i < sc.getScrollWidth(); i += 63) {
+            for (int i = 0; i < sc.getScrollWidth()+64; i += 63) {
                 addObject(new Brick(), i, 700);
             }
         }
diff --git a/Mobs.java b/Mobs.java
index 3050089..b4313ee 100755
--- a/Mobs.java
+++ b/Mobs.java
@@ -101,7 +101,7 @@ public Player getPlayer(int range) {
         return null;
     }
     public void stepped(){
-        if(getOneObjectAtOffset(getX(), getY()-1, Player.class)!=null){
+        if(getOneObjectAtOffset(getX(), -(getImage().getHeight()/2), Player.class)!=null){
             getWorld().removeObject(this);
         }
     }
diff --git a/RedBee.java b/RedBee.java
index 9c7fbfe..f436261 100755
--- a/RedBee.java
+++ b/RedBee.java
@@ -18,14 +18,14 @@ public RedBee(int range) {
 
     @Override
     public void act() {
-        super.act();
+        
         curSpeed = speed;
         if (getPlayer(range) != null) {
             sprint();
         } else {
             idle();
         }
-        
+        super.act();
     }
 
 
diff --git a/Spider.java b/Spider.java
index aa9d418..b79cf42 100755
--- a/Spider.java
+++ b/Spider.java
@@ -69,7 +69,7 @@ public void timeout() {
         }
         if (oob) {
             long elapsedTime = System.currentTimeMillis() - startTime;
-            if (elapsedTime > 10 * 1000) {
+            if (elapsedTime > 10 * 1000 && getWorld() != null) {
                 w.removeObject(this);
             }
         }