diff --git a/web/src/beta/features/PluginPlayground/Plugins/index.tsx b/web/src/beta/features/PluginPlayground/Plugins/index.tsx
index 49b8a2ab9d..e6c21cecd2 100644
--- a/web/src/beta/features/PluginPlayground/Plugins/index.tsx
+++ b/web/src/beta/features/PluginPlayground/Plugins/index.tsx
@@ -46,7 +46,7 @@ const Plugins: FC<Props> = ({
     <Wrapper>
       <PluginList>
         {presetPlugins.map((category) => (
-          <div>
+          <div key={category.id}>
             <CategoryTitle key={category.id}>{category.title}</CategoryTitle>
             {category.plugins.map((plugin) => (
               <EntryItem
diff --git a/web/src/beta/features/PluginPlayground/Plugins/presets/index.ts b/web/src/beta/features/PluginPlayground/Plugins/presets/index.ts
index 2931a379cd..e312ad75b2 100644
--- a/web/src/beta/features/PluginPlayground/Plugins/presets/index.ts
+++ b/web/src/beta/features/PluginPlayground/Plugins/presets/index.ts
@@ -2,6 +2,7 @@ import { PluginType } from "../constants";
 
 import { myPlugin } from "./custom/myPlugin";
 import { responsivePanel } from "./ui/responsivePanel";
+import { sidebar } from "./ui/sidebar";
 
 type PresetPluginCategory = {
   id: string;
@@ -20,6 +21,6 @@ export const presetPlugins: PresetPlugins = [
   {
     id: "ui",
     title: "UI",
-    plugins: [responsivePanel]
+    plugins: [responsivePanel, sidebar]
   }
 ];
diff --git a/web/src/beta/features/PluginPlayground/Plugins/presets/ui/sidebar.ts b/web/src/beta/features/PluginPlayground/Plugins/presets/ui/sidebar.ts
index e69de29bb2..132aae9e8e 100644
--- a/web/src/beta/features/PluginPlayground/Plugins/presets/ui/sidebar.ts
+++ b/web/src/beta/features/PluginPlayground/Plugins/presets/ui/sidebar.ts
@@ -0,0 +1,192 @@
+import { FileType, PluginType } from "../../constants";
+import { PRESET_PLUGIN_COMMON_STYLE } from "../common";
+
+const yamlFile: FileType = {
+  id: "ui-sidebar-reearth-yml",
+  title: "reearth.yml",
+  sourceCode: `id: sidebar-plugin
+name: Sidebar
+version: 1.0.0
+extensions:
+  - id: sidebar
+    type: widget
+    name: Sidebar Widget
+    description: Sidebar Widget
+    widgetLayout:
+      defaultLocation:
+        zone: outer
+        section: left
+        area: middle
+  `,
+  disableEdit: true,
+  disableDelete: true
+};
+
+const widgetFile: FileType = {
+  id: "ui-sidebar-widget",
+  title: "sidebar.js",
+  sourceCode: `reearth.ui.show(\`
+  ${PRESET_PLUGIN_COMMON_STYLE}
+    <style>
+
+#toggleBtn {
+    position: relative;
+    top: 16px;
+    left: 10px;
+    background: none;
+    border: none;
+    cursor: pointer;
+    font-size: 24px;
+    color: #555;
+  }
+
+  #searchBar {
+    margin: 10px 0;
+    padding: 8px 12px;
+    width: calc(100% - 24px);
+    border: 1px solid #ccc;
+    border-radius: 4px;
+    font-size: 14px;
+    outline: none;
+  }
+
+  .menu-container {
+    flex-grow: 1;
+    padding: 0;
+    margin: 20px 0;
+    overflow-y: auto;
+  }
+
+  .menu {
+    list-style: none;
+    padding: 0;
+    margin: 20px 0;
+  }
+
+  .menu li {
+    margin: 8px 0;
+    padding: 8px 12px;
+    background: #f8f9fa;
+    border-radius: 4px;
+    display: flex;
+    align-items: center;
+    cursor: pointer;
+  }
+
+  .menu li:active {
+    background: #d6d6d6;
+  }
+
+
+  .menu li .menu-icon {
+    font-size: 14px;
+    color: #555;
+    margin-right: 10px;
+  }
+
+  .menu li .menu-title {
+    font-size: 14px;
+    color: #333;
+    flex-grow: 1;
+  }
+
+  .menu li .menu-dots {
+    font-size: 18px;
+    color: #999;
+  }
+
+  .hidden {
+    visibility: hidden;
+    opacity: 0;
+  }
+</style>
+
+<div id="wrapper">
+  <button id="toggleBtn">☰</button>
+  <h2 id="sidebarTitle">Sidebar</h2>
+  <input type="text" id="searchBar" placeholder="Search..." />
+  <div class="menu-container">
+    <ul class="menu">
+      <li>
+        <span class="menu-icon">🏠</span>
+        <span class="menu-title">Home</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">ℹ️</span>
+        <span class="menu-title">About</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">📞</span>
+        <span class="menu-title">Contact</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">❓</span>
+        <span class="menu-title">FAQ</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">💡</span>
+        <span class="menu-title">Help</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">⚙️</span>
+        <span class="menu-title">Settings</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">👤</span>
+        <span class="menu-title">Profile</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">📊</span>
+        <span class="menu-title">Dashboard</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">🔔</span>
+        <span class="menu-title">Notifications</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+      <li>
+        <span class="menu-icon">📄</span>
+        <span class="menu-title">Reports</span>
+        <span class="menu-dots">⋮</span>
+      </li>
+
+    </ul>
+  </div>
+</div>
+  <script>
+ const toggleBtn = document.getElementById("toggleBtn");
+  const sidebarTitle = document.getElementById("sidebarTitle");
+
+  toggleBtn.addEventListener("click", () => {
+    const sidebar = document.querySelector("#wrapper");
+    const isCollapsed = sidebar.style.width === "60px";
+
+    // Collapse or expand the sidebar
+    sidebar.style.width = isCollapsed ? "250px" : "60px";
+
+    // Toggle visibility instead of display for title
+    sidebarTitle.classList.toggle("hidden", !isCollapsed);
+
+    // Hide or show menu titles
+    const titles = document.querySelectorAll(".menu-title");
+    titles.forEach((title) => {
+      title.style.display = isCollapsed ? "inline" : "none";
+    });
+  });
+  </script>
+  \`); `
+};
+
+export const sidebar: PluginType = {
+  id: "sidebar",
+  title: "Sidebar",
+  files: [widgetFile, yamlFile]
+};