diff --git a/src/App.js b/src/App.js
index 3784575..205b10d 100644
--- a/src/App.js
+++ b/src/App.js
@@ -15,7 +15,104 @@ function App() {
           target="_blank"
           rel="noopener noreferrer"
         >
-          Learn React
+          import React, { useState } from "react";
+import "bulma/css/bulma.min.css";
+
+// Iteration 1: IdCard Component
+const IdCard = ({ lastName, firstName, gender, height, birth, picture }) => (
+  <div className="box">
+    <div className="media">
+      <div className="media-left">
+        <figure className="image is-128x128">
+          <img src={picture} alt={`${firstName} ${lastName}`} />
+        </figure>
+      </div>
+      <div className="media-content">
+        <p><strong>First Name:</strong> {firstName}</p>
+        <p><strong>Last Name:</strong> {lastName}</p>
+        <p><strong>Gender:</strong> {gender}</p>
+        <p><strong>Height:</strong> {height}cm</p>
+        <p><strong>Birth:</strong> {birth.toDateString()}</p>
+      </div>
+    </div>
+  </div>
+);
+
+// Iteration 2: Greetings Component
+const Greetings = ({ lang, children }) => {
+  const greetings = {
+    de: "Hallo",
+    en: "Hello",
+    es: "Hola",
+    fr: "Bonjour",
+  };
+  return <div className="notification is-light">{greetings[lang]} {children}</div>;
+};
+
+// Iteration 3: Random Component
+const Random = ({ min, max }) => (
+  <div className="notification is-info">
+    Random value between {min} and {max} => {Math.floor(Math.random() * (max - min + 1) + min)}
+  </div>
+);
+
+// Iteration 4: BoxColor Component
+const BoxColor = ({ r, g, b }) => {
+  const divStyle = { backgroundColor: `rgb(${r},${g},${b})`, padding: "20px", textAlign: "center" };
+  return <div style={divStyle}>rgb({r},{g},{b})</div>;
+};
+
+// Iteration 5: CreditCard Component
+const CreditCard = ({ type, number, expirationMonth, expirationYear, bank, owner, bgColor, color }) => {
+  const cardStyle = { backgroundColor: bgColor, color: color, padding: "20px", borderRadius: "10px", width: "300px" };
+  return (
+    <div className="box" style={cardStyle}>
+      <p><strong>{type}</strong></p>
+      <p>**** **** **** {number.slice(-4)}</p>
+      <p>Expires {expirationMonth}/{expirationYear}</p>
+      <p>{bank}</p>
+      <p>{owner}</p>
+    </div>
+  );
+};
+
+// Iteration 8: LikeButton Component
+const LikeButton = () => {
+  const [likes, setLikes] = useState(0);
+  return <button className="button is-primary" onClick={() => setLikes(likes + 1)}>{likes} Likes</button>;
+};
+
+// App Component
+const App = () => (
+  <div className="container">
+    <h1 className="title">React Training Lab</h1>
+    <IdCard
+      lastName="Doe"
+      firstName="John"
+      gender="male"
+      height={178}
+      birth={new Date("1992-07-14")}
+      picture="https://randomuser.me/api/portraits/men/44.jpg"
+    />
+    <Greetings lang="fr">François</Greetings>
+    <Random min={1} max={100} />
+    <BoxColor r={255} g={0} b={0} />
+    <CreditCard
+      type="Visa"
+      number="0123456789018845"
+      expirationMonth={3}
+      expirationYear={2021}
+      bank="BNP"
+      owner="Maxence Bouret"
+      bgColor="#11aa99"
+      color="white"
+    />
+    <LikeButton />
+  </div>
+);
+
+export default App;
+
         </a>
       </header>
     </div>