diff --git a/Assets/01_Scenes/MyProject/GameScene.unity b/Assets/01_Scenes/MyProject/GameScene.unity
index 804cb171..fcc394ea 100644
--- a/Assets/01_Scenes/MyProject/GameScene.unity
+++ b/Assets/01_Scenes/MyProject/GameScene.unity
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f04c70a4eb329fdc016ef5242b222f9c8fa7ef298eb96e0468ff06db579a1c07
-size 13288644
+oid sha256:a6a2e7478871730095bdc0699982727fee651e80c113b5e5cd59b16e0c6e01a3
+size 13289533
diff --git a/Assets/02_Scripts/Shopping/CheckoutMachine.cs b/Assets/02_Scripts/Shopping/CheckoutMachine.cs
index 8549799e..1f7eb305 100644
--- a/Assets/02_Scripts/Shopping/CheckoutMachine.cs
+++ b/Assets/02_Scripts/Shopping/CheckoutMachine.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using TMPro;
 using UnityEngine;
 using VRShopping.Items;
 using VRShopping.UI;
@@ -12,24 +13,51 @@ public class CheckoutMachine : MonoBehaviour
         [SerializeField] private Transform _rowContainer;
         [SerializeField] private CheckoutProductionRow _rowPrefab;
 
-        private readonly Dictionary<ItemData, CheckoutProductionRow> _rowByItem = new();
+        private readonly Dictionary<string, CheckoutProductionRow> _rowByItemId = new();
+
+        [SerializeField] private TMP_Text _checkoutSumField;
+
+        public void UpdateSumUI()
+        {
+            _checkoutSumField.text = CheckoutSum.ToString("N0");
+        }
 
         public void AddCheckoutProduction(ItemData itemData)
         {
             if (itemData == null) return;
 
-            if (_rowByItem.TryGetValue(itemData, out CheckoutProductionRow row))
+            if (_rowByItemId.TryGetValue(itemData.ItemId, out CheckoutProductionRow row))
             {
                 row.Bind(itemData, row.Quantity + 1);
             }
             else
             {
                 row = Instantiate(_rowPrefab, _rowContainer);
+                row.OnAddClicked += AddCheckoutProduction;
+                row.OnRemoveClicked += RemoveCheckoutProduction;
                 row.Bind(itemData, 1);
-                _rowByItem[itemData] = row;
+                _rowByItemId[itemData.ItemId] = row;
             }
 
             CheckoutSum += itemData.FinalPrice;
         }
+
+        public void RemoveCheckoutProduction(ItemData itemData)
+        {
+            if (itemData == null) return;
+            if (!_rowByItemId.TryGetValue(itemData.ItemId, out CheckoutProductionRow row)) return;
+
+            CheckoutSum -= itemData.FinalPrice;
+
+            if (row.Quantity <= 1)
+            {
+                _rowByItemId.Remove(itemData.ItemId);
+                Destroy(row.gameObject);
+            }
+            else
+            {
+                row.Bind(itemData, row.Quantity - 1);
+            }
+        }
     }
 }
diff --git a/Assets/02_Scripts/UI/CheckoutProductionRow.cs b/Assets/02_Scripts/UI/CheckoutProductionRow.cs
index 2b2eb4e8..d6aaf154 100644
--- a/Assets/02_Scripts/UI/CheckoutProductionRow.cs
+++ b/Assets/02_Scripts/UI/CheckoutProductionRow.cs
@@ -1,5 +1,7 @@
+using System;
 using TMPro;
 using UnityEngine;
+using UnityEngine.UI;
 using VRShopping.Items;
 
 namespace VRShopping.UI
@@ -9,9 +11,21 @@ public class CheckoutProductionRow : MonoBehaviour
         [SerializeField] private TMP_Text _nameText;
         [SerializeField] private TMP_Text _quantityText;
         [SerializeField] private TMP_Text _priceText;
+        [SerializeField] private Button _addButton;
+        [SerializeField] private Button _removeButton;
 
+        public ItemData Item { get; private set; }
         public int Quantity { get; private set; }
 
+        public event Action<ItemData> OnAddClicked;
+        public event Action<ItemData> OnRemoveClicked;
+
+        private void Awake()
+        {
+            if (_addButton != null) _addButton.onClick.AddListener(() => OnAddClicked?.Invoke(Item));
+            if (_removeButton != null) _removeButton.onClick.AddListener(() => OnRemoveClicked?.Invoke(Item));
+        }
+
         public void Bind(ItemData item, int quantity)
         {
             if (item == null)
@@ -20,11 +34,12 @@ public void Bind(ItemData item, int quantity)
                 return;
             }
 
+            Item = item;
             Quantity = quantity;
 
             if (_nameText != null) _nameText.text = item.DisplayName;
             if (_quantityText != null) _quantityText.text = $"x{quantity}";
-            if (_priceText != null) _priceText.text = (item.FinalPrice * quantity).ToString();
+            if (_priceText != null) _priceText.text = (item.FinalPrice * quantity).ToString("N0");
         }
     }
 }
diff --git a/Assets/07_UI/Shopping/Prefabs/CheckoutItemRow.prefab b/Assets/07_UI/Shopping/Prefabs/CheckoutItemRow.prefab
index b8f9b22a..8637bf19 100644
--- a/Assets/07_UI/Shopping/Prefabs/CheckoutItemRow.prefab
+++ b/Assets/07_UI/Shopping/Prefabs/CheckoutItemRow.prefab
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e469efe96d72e17d1d74d238707504b5fe5a95f21d2e8cdc1b6520320d80bddd
-size 13814
+oid sha256:ab038135f2b0f3448dbc6b6e2d0c9804125b693528849ea634033e8dd7e5cfea
+size 21294
diff --git a/Assets/Supermarket Store/Prefabs/ShelfCheckouts.prefab b/Assets/Supermarket Store/Prefabs/ShelfCheckouts.prefab
index a19e631e..a0c90c0e 100644
--- a/Assets/Supermarket Store/Prefabs/ShelfCheckouts.prefab	
+++ b/Assets/Supermarket Store/Prefabs/ShelfCheckouts.prefab	
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:071de2b625fd03708eb994c76b0362c9c56e4df78916afe8a99b1a5fb29f359b
-size 46072
+oid sha256:695570d799e46425fc16571dbdef1287b0d05b9a929c9838282275f50b37c5b9
+size 75647