diff --git a/src/app/components/bingo.module.css b/src/app/components/bingo.module.css
index b3c967f..8565b45 100644
--- a/src/app/components/bingo.module.css
+++ b/src/app/components/bingo.module.css
@@ -6,3 +6,9 @@
 .td{
 	padding: 12px 16px;
 }
+
+.warning{
+	font-weight: bold;
+	color: red;
+	text-align: center;
+}
diff --git a/src/app/components/bingocontroller.tsx b/src/app/components/bingocontroller.tsx
new file mode 100644
index 0000000..56c0ac3
--- /dev/null
+++ b/src/app/components/bingocontroller.tsx
@@ -0,0 +1,17 @@
+'use client';
+
+import React from 'react'
+import Bingo from './bingo.tsx'
+import styles from './bingo.module.css'
+
+export default function BingoController(){
+	const [size, setSize] = React.useState(5);
+	const [items, setItems] = React.useState(["Cloud", "Cyber", "Distruptive Technology", "AI", "Metaverse", "Gamification", "Web 3.0", "Industry 4.0", "Internet of Things", "Multiexperience", "Big Data", "Crypto", "[Insert bullshit here] as a service"]);
+	const sizeError = ((items.length % size) != 0);
+	return(
+		<>
+		{sizeError && <p className={styles.warning}>Warning: Mismatch between item count and size</p>}
+		<Bingo size={size} items={items}/>
+		</>
+	);
+}
diff --git a/src/app/page.tsx b/src/app/page.tsx
index d3c5c10..ea960dc 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,12 +1,11 @@
 import styles from './page.module.css'
-import Bingo from './components/bingo.tsx'
+import BingoController from './components/bingocontroller.tsx'
 
 export default function Home(){
-	const items=["test1", "test2", "test3", "test4", "test5"];
 	return(
 		<main className={styles.main}>
 		<h1 align="center">Buzzword Bingo</h1>
-		<Bingo size={2} items={items}/>
+		<BingoController/>
 		</main>
 	);
 }