diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..70f65f0
--- /dev/null
+++ b/.env.example
@@ -0,0 +1 @@
+PUBLIC_DEVTOOLS_ON=true
\ No newline at end of file
diff --git a/posts/000_test-flight/index.md b/posts/000_test-flight/index.md
index b76b8aa..781e102 100644
--- a/posts/000_test-flight/index.md
+++ b/posts/000_test-flight/index.md
@@ -8,6 +8,6 @@ The 🥷 ships by stealth. Are you ready?
 <hr id="l402" hidden>
 Good!
 
-<span style="font-style: italic;">Taking off...</span>
+<p style="font-style: italic;">Taking off...</p>
 
 ![test flight](./test_flight.jpg)
diff --git a/posts/001_challege-time/index.md b/posts/001_challege-time/index.md
new file mode 100644
index 0000000..3218ec7
--- /dev/null
+++ b/posts/001_challege-time/index.md
@@ -0,0 +1,14 @@
+---
+title: challenge time
+date: 2023-12-04
+---
+
+## Now available in TESTNET
+
+All you need is to get the preimage and to input it in devtools. Chop your own wood, and it will warm you twice.
+
+<hr id="l402" hidden>
+
+![SuccessKid](https://upload.wikimedia.org/wikipedia/en/f/ff/SuccessKid.jpg)
+
+Paths are made by walking.
diff --git a/src/routes/articles/[slug]/+page.svelte b/src/routes/articles/[slug]/+page.svelte
index 6476a01..f2543b7 100644
--- a/src/routes/articles/[slug]/+page.svelte
+++ b/src/routes/articles/[slug]/+page.svelte
@@ -1,6 +1,7 @@
 <script>
 	import qrcode from 'qrcode';
 	import { dev } from '$app/environment';
+	import { PUBLIC_DEVTOOLS_ON } from '$env/static/public';
 
 	export let data;
 
@@ -37,7 +38,7 @@
 				</div>
 				<div class="paywall-invoice-text">{data.paywall.invoice}</div>
 
-				{#if dev}
+				{#if dev || PUBLIC_DEVTOOLS_ON}
 					<div class="devtools">
 						<div>devtools</div>
 						<form method="POST" action="?/devToolsPreimage">