diff --git a/awesome_owl/__init__.py b/awesome_owl/__init__.py
index 457bae27e11..b0f26a9a602 100644
--- a/awesome_owl/__init__.py
+++ b/awesome_owl/__init__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-from . import controllers
\ No newline at end of file
+from . import controllers
diff --git a/awesome_owl/controllers/__init__.py b/awesome_owl/controllers/__init__.py
index 457bae27e11..b0f26a9a602 100644
--- a/awesome_owl/controllers/__init__.py
+++ b/awesome_owl/controllers/__init__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-from . import controllers
\ No newline at end of file
+from . import controllers
diff --git a/awesome_owl/static/src/card/card.js b/awesome_owl/static/src/card/card.js
new file mode 100644
index 00000000000..711c29c0918
--- /dev/null
+++ b/awesome_owl/static/src/card/card.js
@@ -0,0 +1,25 @@
+import {Component, useState} from "@odoo/owl"
+
+
+export class Card extends Component {
+    static template = "awesome_owl.card";
+
+    static props = {
+        title: String,
+        slots: {type: Object, optional: true},
+    };
+
+    setup() {
+        const {title} = this.props;
+        this.title = title;
+        this.state = useState({isOpened: true})
+    }
+
+    get isOpened() {
+        return this.state.isOpened;
+    }
+
+    toggle() {
+        this.state.isOpened = !this.isOpened;
+    }
+}
diff --git a/awesome_owl/static/src/card/card.xml b/awesome_owl/static/src/card/card.xml
new file mode 100644
index 00000000000..95ee77a660b
--- /dev/null
+++ b/awesome_owl/static/src/card/card.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<templates xml:space="preserve">
+    <t t-name="awesome_owl.card">
+        <div class="card d-inline-block m-2 p-2" style="width: 18rem;">
+            <div class="d-inline-block">
+                <h3 class="card-title"><t t-esc="title"/></h3>
+                <button class="btn btn-primary" t-on-click="toggle">Toggle</button>
+            </div>
+            <div t-if="isOpened" class="card-body">
+                <t t-slot="default"/>
+            </div>
+        </div>
+    </t>
+</templates>
diff --git a/awesome_owl/static/src/counter/counter.js b/awesome_owl/static/src/counter/counter.js
new file mode 100644
index 00000000000..ba5a550d3b2
--- /dev/null
+++ b/awesome_owl/static/src/counter/counter.js
@@ -0,0 +1,18 @@
+import { Component, useState } from "@odoo/owl";
+
+export class Counter extends Component {
+    static template = "awesome_owl.counter";
+
+    static props = {
+        onChange: { type: Function, optional: true }
+    };
+
+    setup() {
+        this.state = useState({ value: 0 });
+    }
+
+    increment() {
+        this.state.value++;
+        this.props.onChange();
+    }
+}
diff --git a/awesome_owl/static/src/counter/counter.xml b/awesome_owl/static/src/counter/counter.xml
new file mode 100644
index 00000000000..8bf995ba3c5
--- /dev/null
+++ b/awesome_owl/static/src/counter/counter.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+
+    <t t-name="awesome_owl.counter">
+        <div class="d-inline-block p-3">
+            Counter: <t t-esc="this.state.value"/>
+            <button class="btn btn-primary" t-on-click="increment">Increment</button>
+        </div>
+    </t>
+</templates>
diff --git a/awesome_owl/static/src/main.js b/awesome_owl/static/src/main.js
index 1af6c827e0b..9a131ef4f0d 100644
--- a/awesome_owl/static/src/main.js
+++ b/awesome_owl/static/src/main.js
@@ -2,6 +2,7 @@ import { whenReady } from "@odoo/owl";
 import { mountComponent } from "@web/env";
 import { Playground } from "./playground";
 
+
 const config = {
     dev: true,
     name: "Owl Tutorial",
diff --git a/awesome_owl/static/src/playground.js b/awesome_owl/static/src/playground.js
index 657fb8b07bb..3aa35c68758 100644
--- a/awesome_owl/static/src/playground.js
+++ b/awesome_owl/static/src/playground.js
@@ -1,7 +1,20 @@
-/** @odoo-module **/
+import { Card } from "./card/card"
+import { Component, useState } from "@odoo/owl";
+import { Counter } from "./counter/counter";
+import { TodoList } from "./todo_list/todo_list";
 
-import { Component } from "@odoo/owl";
 
 export class Playground extends Component {
     static template = "awesome_owl.playground";
+
+    static components = { Counter, Card, TodoList };
+
+    setup() {
+        this.state = useState({ sum: 0 });
+        this.incrementSum = this.incrementSum.bind(this);
+    }
+
+    incrementSum() {
+        this.state.sum++;
+    }
 }
diff --git a/awesome_owl/static/src/playground.xml b/awesome_owl/static/src/playground.xml
index 4fb905d59f9..68fea7baa62 100644
--- a/awesome_owl/static/src/playground.xml
+++ b/awesome_owl/static/src/playground.xml
@@ -1,10 +1,17 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
-
     <t t-name="awesome_owl.playground">
         <div class="p-3">
-            hello world
+            <Card title="'card1'">
+                <Counter onChange="incrementSum"/>
+            </Card>
+            <Card title="'card2'">
+                <Counter onChange="incrementSum"/>
+            </Card>
+            <p>The sum is: <t t-esc="this.state.sum"/></p>
+            <br/>
+            <br/>
+            <TodoList/>
         </div>
     </t>
-
 </templates>
diff --git a/awesome_owl/static/src/todo_list/todo_item.js b/awesome_owl/static/src/todo_list/todo_item.js
new file mode 100644
index 00000000000..29496144141
--- /dev/null
+++ b/awesome_owl/static/src/todo_list/todo_item.js
@@ -0,0 +1,26 @@
+import { Component } from "@odoo/owl"
+
+
+export class TodoItem extends Component {
+    static template = "awesome_owl.todo.item";
+
+    static props = {
+        id: Number,
+        description: String,
+        isCompleted: Boolean,
+        toggleState: Function,
+        deleteTodo: Function,
+    }
+
+    get id() {
+        return this.props.id;
+    }
+
+    get description() {
+        return this.props.description;
+    }
+
+    get isCompleted() {
+        return this.props.isCompleted;
+    }
+}
diff --git a/awesome_owl/static/src/todo_list/todo_item.xml b/awesome_owl/static/src/todo_list/todo_item.xml
new file mode 100644
index 00000000000..6c9c6fed585
--- /dev/null
+++ b/awesome_owl/static/src/todo_list/todo_item.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+    <t t-name="awesome_owl.todo.item">
+        <p t-att-class="{'text-muted': isCompleted, 'text-decoration-line-through': isCompleted}">
+            <input type="checkbox" t-att-checked="isCompleted" t-on-change="() => props.toggleState(id)"/>
+            <t t-esc="id"/>.
+            <t t-esc="description"/>
+            <span class="fa fa-remove" t-on-click="() => props.deleteTodo(id)"/>
+        </p>
+    </t>
+</templates>
diff --git a/awesome_owl/static/src/todo_list/todo_list.js b/awesome_owl/static/src/todo_list/todo_list.js
new file mode 100644
index 00000000000..e02440d7142
--- /dev/null
+++ b/awesome_owl/static/src/todo_list/todo_list.js
@@ -0,0 +1,50 @@
+import { Component, useState } from "@odoo/owl"
+import { TodoItem } from "./todo_item";
+import { useAutofocus } from "../utils";
+
+
+export class TodoList extends Component {
+    static template = "awesome_owl.todo.list";
+
+    static components = { TodoItem };
+
+    static idGen = 0;
+
+    static get id() {
+        return this.idGen++;
+    }
+
+    setup() {
+        this.todos = useState([]);
+        useAutofocus('todo_input');
+        this.toggleTodo = this.toggleTodo.bind(this);
+        this.deleteTodo = this.deleteTodo.bind(this);
+    }
+
+    addTodo(event) {
+        if (event.keyCode === 13 && event.target.value) {
+            this.todos.push(
+                {
+                    id: this.constructor.id,
+                    description: event.target.value,
+                    isCompleted: false
+                }
+            );
+            event.target.value = '';
+        }
+    }
+
+    toggleTodo(id) {
+        const idx = this.todos.findIndex((elem) => elem.id === id);
+        if (idx !== -1) {
+            this.todos[idx].isCompleted = !this.todos[idx].isCompleted;
+        }
+    }
+
+    deleteTodo(id) {
+        const idx = this.todos.findIndex((elem) => elem.id === id);
+        if (idx !== -1) {
+            this.todos.splice(idx, 1);
+        }
+    }
+}
diff --git a/awesome_owl/static/src/todo_list/todo_list.xml b/awesome_owl/static/src/todo_list/todo_list.xml
new file mode 100644
index 00000000000..aae7e639406
--- /dev/null
+++ b/awesome_owl/static/src/todo_list/todo_list.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+    <t t-name="awesome_owl.todo.list">
+        <div>
+            <input placeholder="Enter a new task" t-on-keyup="addTodo" t-ref="todo_input"/>
+        </div>
+        <div>
+            <t t-foreach="todos" t-as="todo" t-key="todo_index">
+                <TodoItem id="todo.id" description="todo.description" isCompleted="todo.isCompleted"
+                    toggleState="toggleTodo" deleteTodo="deleteTodo"/>
+            </t>
+        </div>
+    </t>
+</templates>
diff --git a/awesome_owl/static/src/utils.js b/awesome_owl/static/src/utils.js
new file mode 100644
index 00000000000..88b545b216b
--- /dev/null
+++ b/awesome_owl/static/src/utils.js
@@ -0,0 +1,9 @@
+import { onMounted, useRef } from "@odoo/owl";
+
+
+export function useAutofocus(name) {
+    const ref = useRef(name);
+    onMounted(() => {
+        ref.el.focus();
+    });
+}