diff --git a/packages/editor/src/hooks/block-toolbar.js b/packages/editor/src/hooks/block-toolbar.js
new file mode 100644
index 00000000000000..881b4073aaaf04
--- /dev/null
+++ b/packages/editor/src/hooks/block-toolbar.js
@@ -0,0 +1,75 @@
+/**
+ * WordPress dependencies
+ */
+import { addFilter } from '@wordpress/hooks';
+import { createHigherOrderComponent } from '@wordpress/compose';
+import { __unstableBlockToolbarLastItem as BlockToolbarLastItem } from '@wordpress/block-editor';
+import { ToolbarGroup, ToolbarButton } from '@wordpress/components';
+import { settings as settingsIcon } from '@wordpress/icons';
+import { store as interfaceStore } from '@wordpress/interface';
+import { useDispatch, useSelect } from '@wordpress/data';
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Override the default edit UI to include a new block inspector control for
+ * assigning a partial syncing controls to supported blocks in the pattern editor.
+ * Currently, only the `core/paragraph` block is supported.
+ *
+ * @param {Component} BlockEdit Original component.
+ *
+ * @return {Component} Wrapped component.
+ */
+const withBlockToolbar = createHigherOrderComponent(
+ ( BlockEdit ) => ( props ) => {
+ return (
+ <>
+
+ { props.isSelected && }
+ >
+ );
+ },
+ 'withBlockToolbar'
+);
+
+const BlockSidebarToggle = () => {
+ const { enableComplementaryArea, disableComplementaryArea } =
+ useDispatch( interfaceStore );
+
+ const isSelected = useSelect(
+ ( select ) =>
+ select( interfaceStore ).getActiveComplementaryArea( 'core' ) ===
+ 'edit-post/block',
+ []
+ );
+
+ return (
+
+
+ {
+ if ( isSelected ) {
+ disableComplementaryArea(
+ 'core',
+ 'edit-post/block'
+ );
+ } else {
+ enableComplementaryArea(
+ 'core',
+ 'edit-post/block'
+ );
+ }
+ } }
+ />
+
+
+ );
+};
+
+addFilter(
+ 'editor.BlockEdit',
+ 'core/editor/with-block-toolbar',
+ withBlockToolbar
+);
diff --git a/packages/editor/src/hooks/index.js b/packages/editor/src/hooks/index.js
index 6001d53f65c103..2bcb13000c9904 100644
--- a/packages/editor/src/hooks/index.js
+++ b/packages/editor/src/hooks/index.js
@@ -5,3 +5,4 @@ import './custom-sources-backwards-compatibility';
import './default-autocompleters';
import './media-upload';
import './pattern-overrides';
+import './block-toolbar';