diff --git a/Assets/Scripts/Items/ItemObject.cs b/Assets/Scripts/Items/ItemObject.cs
index ad53f48..73cca34 100644
--- a/Assets/Scripts/Items/ItemObject.cs
+++ b/Assets/Scripts/Items/ItemObject.cs
@@ -15,6 +15,8 @@ public abstract class ItemObject : MonoBehaviour
     [SerializeField] private Vector2 conveyorDirection = Vector2.zero;
     [SerializeField] private ConveyorPO currentConveyor;
 
+    [SerializeField] private IOPort ioPort = null;
+
     public abstract void OnSpawn();
 
 
@@ -33,6 +35,7 @@ public abstract class ItemObject : MonoBehaviour
 
     private void OnCollisionEnter2D(Collision2D collision)
     {
+        // Stack Item
         if (collision.gameObject.GetComponent<ItemObject>() != null)
         {
             ItemObject collisionItemObject = collision.gameObject.GetComponent<ItemObject>();
@@ -52,6 +55,12 @@ public abstract class ItemObject : MonoBehaviour
                 }
             }
         }
+
+        // IOPort
+        if (collision.gameObject.GetComponent<IOPort>() != null)
+        {
+            ioPort = collision.gameObject.GetComponent<IOPort>();
+        }
     }
 
     // Gets the temporary pivot point based on the conveyor direction
@@ -132,6 +141,20 @@ public abstract class ItemObject : MonoBehaviour
             UpdateWithoutConveyor();
         }
         #endregion
+        #region IOPort
+        if (ioPort != null)
+        {
+            if (ioPort.item == itemSO)
+            {
+                stackSize = ioPort.IncreaseItemCount(stackSize);
+                if (stackSize == 0)
+                {
+                    Despawn();
+                }
+            }
+        }
+
+        #endregion
     }
 
     private void UpdateWithoutConveyor() // Handles the item when it is not on a conveyor