diff --git a/app/core/entities/accessory.py b/app/core/entities/accessory.py
new file mode 100644
index 0000000..1202f18
--- /dev/null
+++ b/app/core/entities/accessory.py
@@ -0,0 +1,11 @@
+class AccessoryEntity:
+    def __init__(self, accessory_id: int, name: str, width: float, height: float, length: float, weight: float):
+        self.id = accessory_id
+        self.name = name
+        self.width = width
+        self.height = height
+        self.length = length
+        self.weight = weight
+
+    def __repr__(self):
+        return f"<AccessoryEntity(id={self.id}, name={self.name}, width={self.width}, height={self.height}, length={self.length}, weight={self.weight})>"
diff --git a/app/core/entities/delivery.py b/app/core/entities/delivery.py
new file mode 100644
index 0000000..8e8c506
--- /dev/null
+++ b/app/core/entities/delivery.py
@@ -0,0 +1,12 @@
+from typing import Optional
+
+
+class DeliveryEntity:
+    def __init__(self, delivery_id: Optional[int], count: int, storage_accessories_id: int, step_id: int):
+        self.id = delivery_id
+        self.count = count
+        self.storage_accessories_id = storage_accessories_id
+        self.step_id = step_id
+
+    def __repr__(self):
+        return f"<DeliveryEntity(id={self.id}, count={self.count}, storage_accessories_id={self.storage_accessories_id}, step_id={self.step_id})>"
diff --git a/app/core/entities/order.py b/app/core/entities/order.py
new file mode 100644
index 0000000..e7ed2f2
--- /dev/null
+++ b/app/core/entities/order.py
@@ -0,0 +1,14 @@
+from typing import Optional
+from datetime import datetime
+
+
+class OrderEntity:
+    def __init__(self, order_id: Optional[int], order_datetime: datetime, user_id: int, status_id: int):
+        self.id = order_id
+        self.order_datetime = order_datetime
+        self.user_id = user_id
+        self.status_id = status_id
+
+    def __repr__(self):
+        return (f"<OrderEntity(id={self.id}, order_datetime={self.order_datetime}, "
+                f"user_id={self.user_id}, status_id={self.status_id})>")
diff --git a/app/core/entities/role.py b/app/core/entities/role.py
new file mode 100644
index 0000000..ed0584f
--- /dev/null
+++ b/app/core/entities/role.py
@@ -0,0 +1,10 @@
+from typing import Optional
+
+
+class RoleEntity:
+    def __init__(self, role_id: Optional[int], name: str):
+        self.id = role_id
+        self.name = name
+
+    def __repr__(self):
+        return f"<RoleEntity(id={self.id}, name={self.name})>"
diff --git a/app/core/entities/status.py b/app/core/entities/status.py
new file mode 100644
index 0000000..55e29d0
--- /dev/null
+++ b/app/core/entities/status.py
@@ -0,0 +1,10 @@
+from typing import Optional
+
+
+class StatusEntity:
+    def __init__(self, status_id: Optional[int], name: str):
+        self.id = status_id
+        self.name = name
+
+    def __repr__(self):
+        return f"<StatusEntity(id={self.id}, name={self.name})>"
diff --git a/app/core/entities/step.py b/app/core/entities/step.py
new file mode 100644
index 0000000..aa19b34
--- /dev/null
+++ b/app/core/entities/step.py
@@ -0,0 +1,17 @@
+from typing import Optional
+from datetime import datetime
+
+
+class StepEntity:
+    def __init__(self, step_id: Optional[int], start_deadline: datetime, finish_deadline: datetime, order_id: Optional[int],
+                 status_id: Optional[int]):
+        self.id = step_id
+        self.start_deadline = start_deadline
+        self.finish_deadline = finish_deadline
+        self.order_id = order_id
+        self.status_id = status_id
+
+    def __repr__(self):
+        return (f"<StepEntity(id={self.id}, start_deadline={self.start_deadline}, "
+                f"finish_deadline={self.finish_deadline}, order_id={self.order_id}, "
+                f"status_id={self.status_id})>")
diff --git a/app/core/entities/storage.py b/app/core/entities/storage.py
new file mode 100644
index 0000000..8bec7b9
--- /dev/null
+++ b/app/core/entities/storage.py
@@ -0,0 +1,21 @@
+from typing import Optional
+from typing import List
+
+
+class StorageEntity:
+    def __init__(self,
+                 storage_id: Optional[int],
+                 name: str,
+                 x_coordinate: float,
+                 y_coordinate: float,
+                 storage_accessories: Optional[List[int]] = None):
+        self.id = storage_id
+        self.name = name
+        self.x_coordinate = x_coordinate
+        self.y_coordinate = y_coordinate
+        self.storage_accessories = storage_accessories if storage_accessories is not None else []
+
+    def __repr__(self):
+        return (f"<StorageEntity(id={self.id}, name={self.name}, "
+                f"x_coordinate={self.x_coordinate}, y_coordinate={self.y_coordinate}, "
+                f"storage_accessories={self.storage_accessories})>")
diff --git a/app/core/entities/storage_accessories.py b/app/core/entities/storage_accessories.py
new file mode 100644
index 0000000..4e5cd59
--- /dev/null
+++ b/app/core/entities/storage_accessories.py
@@ -0,0 +1,21 @@
+from typing import Optional
+from datetime import datetime
+
+
+class StorageAccessoriesEntity:
+    def __init__(self,
+                 storage_accessories_id: Optional[int],
+                 current_count: int,
+                 change_datetime: Optional[datetime],
+                 storage_id: Optional[int],
+                 accessory_id: Optional[int]):
+        self.id = storage_accessories_id
+        self.current_count = current_count
+        self.change_datetime = change_datetime
+        self.storage_id = storage_id
+        self.accessory_id = accessory_id
+
+    def __repr__(self):
+        return (f"<StorageAccessoriesEntity(id={self.id}, current_count={self.current_count}, "
+                f"change_datetime={self.change_datetime}, storage_id={self.storage_id}, "
+                f"accessory_id={self.accessory_id})>")
diff --git a/app/core/entities/user.py b/app/core/entities/user.py
new file mode 100644
index 0000000..1bb6fd9
--- /dev/null
+++ b/app/core/entities/user.py
@@ -0,0 +1,24 @@
+from typing import Optional, List
+
+
+class UserEntity:
+    def __init__(self,
+                 user_id: Optional[int],
+                 first_name: str,
+                 last_name: str,
+                 login: str,
+                 password: str,
+                 role_id: Optional[int] = None,
+                 orders: Optional[List[int]] = None):
+        self.id = user_id
+        self.first_name = first_name
+        self.last_name = last_name
+        self.login = login
+        self.password = password
+        self.role_id = role_id
+        self.orders = orders if orders is not None else []
+
+    def __repr__(self):
+        return (f"<UserEntity(id={self.id}, first_name={self.first_name}, "
+                f"last_name={self.last_name}, login={self.login}, "
+                f"role_id={self.role_id}, orders={self.orders})>")
diff --git a/app/infrastructure/database/models/statuses.py b/app/infrastructure/database/models/statuses.py
index 9505688..3eef693 100644
--- a/app/infrastructure/database/models/statuses.py
+++ b/app/infrastructure/database/models/statuses.py
@@ -11,4 +11,4 @@ class Status(Base):
     name = Column(VARCHAR(100), nullable=False)
 
     orders = relationship('Order', back_populates='status')
-    steps = relationship('Step', back_populates='status')
\ No newline at end of file
+    steps = relationship('Step', back_populates='status')
diff --git a/app/infrastructure/database/models/storages.py b/app/infrastructure/database/models/storages.py
index ea6fa63..09c3d7c 100644
--- a/app/infrastructure/database/models/storages.py
+++ b/app/infrastructure/database/models/storages.py
@@ -12,4 +12,4 @@ class Storage(Base):
     x_coordinate = Column(Float, nullable=False)
     y_coordinate = Column(Float, nullable=False)
 
-    storage_accessories = relationship('StorageAccessories', back_populates='storage')
\ No newline at end of file
+    storage_accessories = relationship('StorageAccessories', back_populates='storage')