diff --git a/discord/ui/action_row.py b/discord/ui/action_row.py
index 5cc41de26..a27e31ca9 100644
--- a/discord/ui/action_row.py
+++ b/discord/ui/action_row.py
@@ -143,6 +143,10 @@ class ActionRow(Item[V]):
     __action_row_children_items__: ClassVar[List[ItemCallbackType[Any]]] = []
     __discord_ui_action_row__: ClassVar[bool] = True
     __discord_ui_update_view__: ClassVar[bool] = True
+    __item_repr_attributes__ = (
+        'row',
+        'id',
+    )
 
     def __init__(
         self,
@@ -176,6 +180,9 @@ class ActionRow(Item[V]):
 
         cls.__action_row_children_items__ = list(children.values())
 
+    def __repr__(self) -> str:
+        return f'{super().__repr__()[:-1]} children={len(self._children)}>'
+
     def _init_children(self) -> List[Item[Any]]:
         children = []
 
@@ -303,7 +310,7 @@ class ActionRow(Item[V]):
 
         return self
 
-    def get_item_by_id(self, id: int, /) -> Optional[Item[V]]:
+    def get_item(self, id: int, /) -> Optional[Item[V]]:
         """Gets an item with :attr:`Item.id` set as ``id``, or ``None`` if
         not found.
 
@@ -321,7 +328,7 @@ class ActionRow(Item[V]):
         Optional[:class:`Item`]
             The item found, or ``None``.
         """
-        return _utils_get(self._children, id=id)
+        return _utils_get(self.walk_children(), id=id)
 
     def clear_items(self) -> Self:
         """Removes all items from the row.
diff --git a/discord/ui/button.py b/discord/ui/button.py
index 46230d480..9d68d411b 100644
--- a/discord/ui/button.py
+++ b/discord/ui/button.py
@@ -97,6 +97,7 @@ class Button(Item[V]):
         'emoji',
         'row',
         'sku_id',
+        'id',
     )
 
     def __init__(
@@ -269,6 +270,9 @@ class Button(Item[V]):
             return self.url is not None
         return super().is_persistent()
 
+    def _can_be_dynamic(self) -> bool:
+        return True
+
     def _refresh_component(self, button: ButtonComponent) -> None:
         self._underlying = button
 
diff --git a/discord/ui/container.py b/discord/ui/container.py
index 8c550816f..93dedfbe1 100644
--- a/discord/ui/container.py
+++ b/discord/ui/container.py
@@ -132,6 +132,12 @@ class Container(Item[V]):
     __container_children_items__: ClassVar[Dict[str, Union[ItemCallbackType[Any], Item[Any]]]] = {}
     __discord_ui_update_view__: ClassVar[bool] = True
     __discord_ui_container__: ClassVar[bool] = True
+    __item_repr_attributes__ = (
+        'accent_colour',
+        'spoiler',
+        'row',
+        'id',
+    )
 
     def __init__(
         self,
@@ -156,6 +162,9 @@ class Container(Item[V]):
         self.row = row
         self.id = id
 
+    def __repr__(self) -> str:
+        return f'<{super().__repr__()[:-1]} children={len(self._children)}>'
+
     def _add_dispatchable(self, item: Item[Any]) -> None:
         self.__dispatchable.append(item)
 
@@ -173,14 +182,13 @@ class Container(Item[V]):
             if isinstance(raw, Item):
                 item = copy.deepcopy(raw)
                 item._parent = self
-                if getattr(item, '__discord_ui_action_row__', False):
+                if getattr(item, '__discord_ui_action_row__', False) and item.is_dispatchable():
                     if item.is_dispatchable():
                         self.__dispatchable.extend(item._children)  # type: ignore
-                if getattr(item, '__discord_ui_section__', False):
-                    if item.accessory.is_dispatchable():  # type: ignore
-                        if item.accessory._provided_custom_id is False:  # type: ignore
-                            item.accessory.custom_id = os.urandom(16).hex()  # type: ignore
-                        self.__dispatchable.append(item.accessory)  # type: ignore
+                if getattr(item, '__discord_ui_section__', False) and item.accessory.is_dispatchable():  # type: ignore
+                    if item.accessory._provided_custom_id is False:  # type: ignore
+                        item.accessory.custom_id = os.urandom(16).hex()  # type: ignore
+                    self.__dispatchable.append(item.accessory)  # type: ignore
 
                 setattr(self, name, item)
                 children.append(item)
@@ -415,7 +423,7 @@ class Container(Item[V]):
                     self._view._total_children -= 1
         return self
 
-    def get_item_by_id(self, id: int, /) -> Optional[Item[V]]:
+    def get_item(self, id: int, /) -> Optional[Item[V]]:
         """Gets an item with :attr:`Item.id` set as ``id``, or ``None`` if
         not found.
 
@@ -433,7 +441,7 @@ class Container(Item[V]):
         Optional[:class:`Item`]
             The item found, or ``None``.
         """
-        return _utils_get(self._children, id=id)
+        return _utils_get(self.walk_children(), id=id)
 
     def clear_items(self) -> Self:
         """Removes all the items from the container.
diff --git a/discord/ui/dynamic.py b/discord/ui/dynamic.py
index 3c7ea0e48..6a5503364 100644
--- a/discord/ui/dynamic.py
+++ b/discord/ui/dynamic.py
@@ -107,6 +107,9 @@ class DynamicItem(Generic[BaseT], Item[Union[View, LayoutView]]):
         if not self.item.is_dispatchable():
             raise TypeError('item must be dispatchable, e.g. not a URL button')
 
+        if not self.item._can_be_dynamic():
+            raise TypeError(f'{self.item.__class__.__name__} cannot be set as a dynamic item')
+
         if not self.template.match(self.custom_id):
             raise ValueError(f'item custom_id {self.custom_id!r} must match the template {self.template.pattern!r}')
 
diff --git a/discord/ui/file.py b/discord/ui/file.py
index 09d557a89..630258cf4 100644
--- a/discord/ui/file.py
+++ b/discord/ui/file.py
@@ -77,6 +77,13 @@ class File(Item[V]):
         The ID of this component. This must be unique across the view.
     """
 
+    __item_repr_attributes__ = (
+        'media',
+        'spoiler',
+        'row',
+        'id',
+    )
+
     def __init__(
         self,
         media: Union[str, UnfurledMediaItem],
diff --git a/discord/ui/item.py b/discord/ui/item.py
index c73d8e762..4e1c7d172 100644
--- a/discord/ui/item.py
+++ b/discord/ui/item.py
@@ -66,7 +66,7 @@ class Item(Generic[V]):
     .. versionadded:: 2.0
     """
 
-    __item_repr_attributes__: Tuple[str, ...] = ('row',)
+    __item_repr_attributes__: Tuple[str, ...] = ('row', 'id')
 
     def __init__(self):
         self._view: Optional[V] = None
@@ -162,6 +162,13 @@ class Item(Generic[V]):
 
         return can_run
 
+    def _can_be_dynamic(self) -> bool:
+        # if an item can be dynamic then it must override this, this is mainly used
+        # by DynamicItem's so a user cannot set, for example, a Container with a dispatchable
+        # button as a dynamic item, and cause errors where Container can't be dispatched
+        # or lost interactions
+        return False
+
     async def callback(self, interaction: Interaction[ClientT]) -> Any:
         """|coro|
 
diff --git a/discord/ui/media_gallery.py b/discord/ui/media_gallery.py
index 8cfbfa1e3..166d99b22 100644
--- a/discord/ui/media_gallery.py
+++ b/discord/ui/media_gallery.py
@@ -67,6 +67,12 @@ class MediaGallery(Item[V]):
         The ID of this component. This must be unique across the view.
     """
 
+    __item_repr_attributes__ = (
+        'items',
+        'row',
+        'id',
+    )
+
     def __init__(
         self,
         *items: MediaGalleryItem,
@@ -83,6 +89,9 @@ class MediaGallery(Item[V]):
         self.row = row
         self.id = id
 
+    def __repr__(self) -> str:
+        return f'<{super().__repr__()[:-1]} items={len(self._underlying.items)}>'
+
     @property
     def items(self) -> List[MediaGalleryItem]:
         """List[:class:`.MediaGalleryItem`]: Returns a read-only list of this gallery's items."""
diff --git a/discord/ui/section.py b/discord/ui/section.py
index fcd2002e9..da81fe38d 100644
--- a/discord/ui/section.py
+++ b/discord/ui/section.py
@@ -67,6 +67,11 @@ class Section(Item[V]):
         The ID of this component. This must be unique across the view.
     """
 
+    __item_repr_attributes__ = (
+        'accessory',
+        'row',
+        'id',
+    )
     __discord_ui_section__: ClassVar[bool] = True
     __discord_ui_update_view__: ClassVar[bool] = True
 
@@ -94,6 +99,9 @@ class Section(Item[V]):
         self.row = row
         self.id = id
 
+    def __repr__(self) -> str:
+        return f'<{super().__repr__()[:-1]} children={len(self._children)}'
+
     @property
     def type(self) -> Literal[ComponentType.section]:
         return ComponentType.section
diff --git a/discord/ui/select.py b/discord/ui/select.py
index 40b8a26f3..7695f759e 100644
--- a/discord/ui/select.py
+++ b/discord/ui/select.py
@@ -217,6 +217,7 @@ class BaseSelect(Item[V]):
         'min_values',
         'max_values',
         'disabled',
+        'id',
     )
     __component_attributes__: Tuple[str, ...] = (
         'custom_id',
@@ -363,6 +364,9 @@ class BaseSelect(Item[V]):
         kwrgs = {key: getattr(component, key) for key in constructor.__component_attributes__}
         return constructor(**kwrgs)
 
+    def _can_be_dynamic(self) -> bool:
+        return True
+
 
 class Select(BaseSelect[V]):
     """Represents a UI select menu with a list of custom options. This is represented
diff --git a/discord/ui/separator.py b/discord/ui/separator.py
index 76c1a5275..f90fbaa4b 100644
--- a/discord/ui/separator.py
+++ b/discord/ui/separator.py
@@ -64,6 +64,13 @@ class Separator(Item[V]):
         The ID of this component. This must be unique across the view.
     """
 
+    __item_repr_attributes__ = (
+        'visible',
+        'spacing',
+        'row',
+        'id',
+    )
+
     def __init__(
         self,
         *,
diff --git a/discord/ui/text_input.py b/discord/ui/text_input.py
index 86f7373ee..218d7c4d0 100644
--- a/discord/ui/text_input.py
+++ b/discord/ui/text_input.py
@@ -102,6 +102,7 @@ class TextInput(Item[V]):
         'label',
         'placeholder',
         'required',
+        'id',
     )
 
     def __init__(
diff --git a/discord/ui/thumbnail.py b/discord/ui/thumbnail.py
index 67f8e4c76..e0fbd3a64 100644
--- a/discord/ui/thumbnail.py
+++ b/discord/ui/thumbnail.py
@@ -66,6 +66,14 @@ class Thumbnail(Item[V]):
         The ID of this component. This must be unique across the view.
     """
 
+    __item_repr_attributes__ = (
+        'media',
+        'description',
+        'spoiler',
+        'row',
+        'id',
+    )
+
     def __init__(
         self,
         media: Union[str, UnfurledMediaItem],