diff --git a/Cargo.lock b/Cargo.lock
index ae251751..1f52c0f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2136,6 +2136,16 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "leptos-node-ref"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0497a30ec51e76bdbf9542d29b65399c70d88c0397bc38551d8eff0385847bfc"
+dependencies = [
+ "leptos",
+ "send_wrapper",
+]
+
 [[package]]
 name = "leptos-style"
 version = "0.0.3"
@@ -2926,6 +2936,39 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "radix-leptos-use-controllable-state"
+version = "0.0.2"
+dependencies = [
+ "leptos",
+]
+
+[[package]]
+name = "radix-leptos-use-escape-keydown"
+version = "0.0.2"
+dependencies = [
+ "leptos",
+ "send_wrapper",
+ "web-sys",
+]
+
+[[package]]
+name = "radix-leptos-use-previous"
+version = "0.0.2"
+dependencies = [
+ "leptos",
+]
+
+[[package]]
+name = "radix-leptos-use-size"
+version = "0.0.2"
+dependencies = [
+ "leptos",
+ "leptos-node-ref",
+ "send_wrapper",
+ "web-sys",
+]
+
 [[package]]
 name = "radix-leptos-visually-hidden"
 version = "0.0.2"
diff --git a/Cargo.toml b/Cargo.toml
index 3b9211ae..68450696 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,10 @@ members = [
     "packages/primitives/leptos/direction",
     "packages/primitives/leptos/id",
     "packages/primitives/leptos/label",
+    "packages/primitives/leptos/use-controllable-state",
+    "packages/primitives/leptos/use-escape-keydown",
+    "packages/primitives/leptos/use-previous",
+    "packages/primitives/leptos/use-size",
     "packages/primitives/leptos/visually-hidden",
     "packages/primitives/yew/*",
     "packages/themes/yew",
@@ -42,8 +46,10 @@ dioxus = "0.6.1"
 leptos = "0.7.2"
 leptos_dom = "0.7.2"
 leptos_router = "0.7.2"
+leptos-node-ref = "0.0.3"
 leptos-style = "0.0.3"
 log = "0.4.22"
+send_wrapper = "0.6.0"
 serde = "1.0.198"
 serde_json = "1.0.116"
 tailwind_fuse = { version = "0.3.0", features = ["variant"] }
diff --git a/packages/primitives/leptos/use-controllable-state/src/use_controllable_state.rs b/packages/primitives/leptos/use-controllable-state/src/use_controllable_state.rs
index e491cadf..1ac0c0b0 100644
--- a/packages/primitives/leptos/use-controllable-state/src/use_controllable_state.rs
+++ b/packages/primitives/leptos/use-controllable-state/src/use_controllable_state.rs
@@ -1,15 +1,12 @@
-use leptos::{
-    create_signal, Callable, Callback, Effect, MaybeProp, ReadSignal, RwSignal, Signal, SignalGet,
-    SignalGetUntracked, SignalSet, WriteSignal,
-};
+use leptos::prelude::*;
 
-pub struct UseControllableStateParams<T: 'static> {
+pub struct UseControllableStateParams<T: Send + Sync + 'static> {
     pub prop: MaybeProp<T>,
     pub default_prop: MaybeProp<T>,
     pub on_change: Option<Callback<Option<T>>>,
 }
 
-pub fn use_controllable_state<T: Clone + PartialEq>(
+pub fn use_controllable_state<T: Clone + PartialEq + Send + Sync>(
     UseControllableStateParams {
         prop,
         default_prop,
@@ -32,7 +29,7 @@ pub fn use_controllable_state<T: Clone + PartialEq>(
         if is_controlled.get() {
             if next_value != prop.get() {
                 if let Some(on_change) = on_change {
-                    on_change.call(next_value);
+                    on_change.run(next_value);
                 }
             }
         } else {
@@ -43,18 +40,18 @@ pub fn use_controllable_state<T: Clone + PartialEq>(
     (value, set_value)
 }
 
-pub struct UseUncontrollableStateParams<T: 'static> {
+pub struct UseUncontrollableStateParams<T: Send + Sync + 'static> {
     pub default_prop: MaybeProp<T>,
     pub on_change: Option<Callback<Option<T>>>,
 }
 
-fn use_uncontrolled_state<T: Clone + PartialEq>(
+fn use_uncontrolled_state<T: Clone + PartialEq + Send + Sync>(
     UseUncontrollableStateParams {
         default_prop,
         on_change,
     }: UseUncontrollableStateParams<T>,
 ) -> (ReadSignal<Option<T>>, WriteSignal<Option<T>>) {
-    let uncontrolled_state = create_signal::<Option<T>>(default_prop.get());
+    let uncontrolled_state = signal::<Option<T>>(default_prop.get());
     let (value, _) = uncontrolled_state;
     let prev_value = RwSignal::new(value.get_untracked());
 
@@ -62,7 +59,7 @@ fn use_uncontrolled_state<T: Clone + PartialEq>(
         let value = value.get();
         if prev_value.get() != value {
             if let Some(on_change) = on_change {
-                on_change.call(value.clone());
+                on_change.run(value.clone());
                 prev_value.set(value);
             }
         }
diff --git a/packages/primitives/leptos/use-escape-keydown/Cargo.toml b/packages/primitives/leptos/use-escape-keydown/Cargo.toml
index 10e3cafb..fa89c99a 100644
--- a/packages/primitives/leptos/use-escape-keydown/Cargo.toml
+++ b/packages/primitives/leptos/use-escape-keydown/Cargo.toml
@@ -10,4 +10,5 @@ version.workspace = true
 
 [dependencies]
 leptos.workspace = true
+send_wrapper.workspace = true
 web-sys = { workspace = true, features = ["EventListenerOptions"] }
diff --git a/packages/primitives/leptos/use-escape-keydown/src/use_escape_keydown.rs b/packages/primitives/leptos/use-escape-keydown/src/use_escape_keydown.rs
index 7dacf670..6302d878 100644
--- a/packages/primitives/leptos/use-escape-keydown/src/use_escape_keydown.rs
+++ b/packages/primitives/leptos/use-escape-keydown/src/use_escape_keydown.rs
@@ -1,6 +1,7 @@
-use std::rc::Rc;
+use std::sync::Arc;
 
-use leptos::{document, ev::KeyboardEvent, on_cleanup, Callable, Callback, Effect, StoredValue};
+use leptos::{ev::KeyboardEvent, prelude::*};
+use send_wrapper::SendWrapper;
 use web_sys::{
     wasm_bindgen::{closure::Closure, JsCast},
     AddEventListenerOptions, Document, EventListenerOptions,
@@ -11,30 +12,35 @@ pub fn use_escape_keydown(
     on_escape_key_down: Option<Callback<KeyboardEvent>>,
     owner_document: Option<Document>,
 ) {
-    let owner_document = StoredValue::new(owner_document.unwrap_or(document()));
+    let owner_document = StoredValue::new(SendWrapper::new(owner_document.unwrap_or(document())));
 
-    let handle_key_down: Rc<Closure<dyn Fn(KeyboardEvent)>> =
-        Rc::new(Closure::new(move |event: KeyboardEvent| {
+    type HandleKeyDown = dyn Fn(KeyboardEvent);
+    let handle_key_down: Arc<SendWrapper<Closure<HandleKeyDown>>> = Arc::new(SendWrapper::new(
+        Closure::new(move |event: KeyboardEvent| {
             if event.key() == "Escape" {
                 if let Some(on_escape_key_down) = on_escape_key_down {
-                    on_escape_key_down.call(event);
+                    on_escape_key_down.run(event);
                 }
             }
-        }));
-    let cleanup_handle_key_down = handle_key_down.clone();
+        }),
+    ));
 
-    Effect::new(move |_| {
-        let options = AddEventListenerOptions::new();
-        options.set_capture(true);
+    Effect::new({
+        let handle_key_down = handle_key_down.clone();
 
-        owner_document
-            .get_value()
-            .add_event_listener_with_callback_and_add_event_listener_options(
-                "keydown",
-                (*handle_key_down).as_ref().unchecked_ref(),
-                &options,
-            )
-            .expect("Key down event listener should be added.");
+        move |_| {
+            let options = AddEventListenerOptions::new();
+            options.set_capture(true);
+
+            owner_document
+                .get_value()
+                .add_event_listener_with_callback_and_add_event_listener_options(
+                    "keydown",
+                    (*handle_key_down).as_ref().unchecked_ref(),
+                    &options,
+                )
+                .expect("Key down event listener should be added.");
+        }
     });
 
     on_cleanup(move || {
@@ -45,7 +51,7 @@ pub fn use_escape_keydown(
             .get_value()
             .remove_event_listener_with_callback_and_event_listener_options(
                 "keydown",
-                (*cleanup_handle_key_down).as_ref().unchecked_ref(),
+                (*handle_key_down).as_ref().unchecked_ref(),
                 &options,
             )
             .expect("Key down event listener should be removed.");
diff --git a/packages/primitives/leptos/use-previous/src/use_previous.rs b/packages/primitives/leptos/use-previous/src/use_previous.rs
index 2932aec2..537aa440 100644
--- a/packages/primitives/leptos/use-previous/src/use_previous.rs
+++ b/packages/primitives/leptos/use-previous/src/use_previous.rs
@@ -1,16 +1,17 @@
-use leptos::{Memo, RwSignal, Signal, SignalGet, SignalGetUntracked, SignalSetUntracked};
+use leptos::prelude::*;
 
-pub fn use_previous<T: Clone + PartialEq>(value: Signal<T>) -> Memo<T> {
-    let current = RwSignal::new(value.get_untracked());
-    let previous = RwSignal::new(value.get_untracked());
+pub fn use_previous<T: Clone + PartialEq + Send + Sync + 'static>(value: Signal<T>) -> Memo<T> {
+    let stored_value = StoredValue::new((value.get_untracked(), value.get_untracked()));
 
     Memo::new(move |_| {
         let value = value.get();
-        let current_value = current.get();
+        let (current_value, previous_value) = stored_value.get_value();
+
         if current_value != value {
-            previous.set_untracked(current_value);
-            current.set_untracked(value.clone());
+            stored_value.set_value((value.clone(), current_value.clone()));
+            current_value
+        } else {
+            previous_value
         }
-        previous.get()
     })
 }
diff --git a/packages/primitives/leptos/use-size/Cargo.toml b/packages/primitives/leptos/use-size/Cargo.toml
index 49056424..24c18efd 100644
--- a/packages/primitives/leptos/use-size/Cargo.toml
+++ b/packages/primitives/leptos/use-size/Cargo.toml
@@ -10,6 +10,8 @@ version.workspace = true
 
 [dependencies]
 leptos.workspace = true
+leptos-node-ref.workspace = true
+send_wrapper.workspace = true
 web-sys = { workspace = true, features = [
     "ResizeObserver",
     "ResizeObserverBoxOptions",
diff --git a/packages/primitives/leptos/use-size/src/use_size.rs b/packages/primitives/leptos/use-size/src/use_size.rs
index 5c3e6e0e..e46c11a2 100644
--- a/packages/primitives/leptos/use-size/src/use_size.rs
+++ b/packages/primitives/leptos/use-size/src/use_size.rs
@@ -1,6 +1,8 @@
-use std::{cell::RefCell, rc::Rc};
+use std::sync::{Arc, Mutex};
 
-use leptos::{create_signal, html::AnyElement, on_cleanup, Effect, NodeRef, ReadSignal, SignalSet};
+use leptos::prelude::*;
+use leptos_node_ref::AnyNodeRef;
+use send_wrapper::SendWrapper;
 use web_sys::{
     wasm_bindgen::{closure::Closure, JsCast},
     ResizeObserver, ResizeObserverBoxOptions, ResizeObserverEntry, ResizeObserverOptions,
@@ -13,14 +15,18 @@ pub struct Size {
     pub height: f64,
 }
 
-pub fn use_size(element_ref: NodeRef<AnyElement>) -> ReadSignal<Option<Size>> {
-    let (size, set_size) = create_signal::<Option<Size>>(None);
+pub fn use_size(element_ref: AnyNodeRef) -> ReadSignal<Option<Size>> {
+    let (size, set_size) = signal::<Option<Size>>(None);
 
-    let resize_observer: Rc<RefCell<Option<ResizeObserver>>> = Rc::new(RefCell::new(None));
+    let resize_observer: Arc<Mutex<Option<SendWrapper<ResizeObserver>>>> =
+        Arc::new(Mutex::new(None));
     let cleanup_resize_observer = resize_observer.clone();
 
     Effect::new(move |_| {
-        if let Some(element) = element_ref.get() {
+        if let Some(element) = element_ref
+            .get()
+            .and_then(|element| element.dyn_into::<web_sys::HtmlElement>().ok())
+        {
             // Provide size as early as possible.
             set_size.set(Some(Size {
                 width: element.offset_width() as f64,
@@ -43,7 +49,7 @@ pub fn use_size(element_ref: NodeRef<AnyElement>) -> ReadSignal<Option<Size>> {
                     }
                 });
 
-            resize_observer.replace(Some(
+            *resize_observer.lock().expect("Lock should be acquired.") = Some(SendWrapper::new(
                 ResizeObserver::new(resize_closure.into_js_value().unchecked_ref())
                     .expect("Resize observer should be created."),
             ));
@@ -52,7 +58,8 @@ pub fn use_size(element_ref: NodeRef<AnyElement>) -> ReadSignal<Option<Size>> {
             options.set_box(ResizeObserverBoxOptions::BorderBox);
 
             resize_observer
-                .borrow()
+                .lock()
+                .expect("Lock should be acquired.")
                 .as_ref()
                 .expect("Resize observer should exist.")
                 .observe_with_options(element.as_ref(), &options);
@@ -63,7 +70,11 @@ pub fn use_size(element_ref: NodeRef<AnyElement>) -> ReadSignal<Option<Size>> {
     });
 
     on_cleanup(move || {
-        if let Some(resize_observer) = cleanup_resize_observer.take() {
+        if let Some(resize_observer) = cleanup_resize_observer
+            .lock()
+            .expect("Lock should be acquired.")
+            .as_ref()
+        {
             resize_observer.disconnect();
         }
     });