diff --git a/content/docs/meta.json b/content/docs/meta.json
index 10318db..0e0ffcc 100644
--- a/content/docs/meta.json
+++ b/content/docs/meta.json
@@ -8,7 +8,8 @@
 		"ondemand",
 		"support",
 		"tutorials",
-		"related"
+		"related",
+		"sandbox"
 	]
 }
 
diff --git a/content/docs/sandbox/meta.json b/content/docs/sandbox/meta.json
new file mode 100644
index 0000000..501ab2b
--- /dev/null
+++ b/content/docs/sandbox/meta.json
@@ -0,0 +1,6 @@
+{
+  "title": "Sandbox",
+  "pages": [
+    "testpage"
+  ]
+}
diff --git a/content/docs/sandbox/index.mdx b/content/docs/sandbox/testpage.mdx
similarity index 63%
rename from content/docs/sandbox/index.mdx
rename to content/docs/sandbox/testpage.mdx
index d3c1167..6ddf77c 100644
--- a/content/docs/sandbox/index.mdx
+++ b/content/docs/sandbox/testpage.mdx
@@ -53,3 +53,22 @@ Insert picture like `![pic title](/img/meta/data/filesender_4.png)`:
 1. item 1
 2. item 2
 
+## Alert boxes
+
+<Callout type="info" title="Callout type info">
+ 1. have a Metacentrum account
+ 2. be able to login to a frontend node
+ 3. have elementary knowledge of the Linux command line
+
+*If anything is missing, see [Access](../access/terms) section.*
+</Callout> 
+
+
+<Callout type="warn" title="Callout type warn">
+foo
+</Callout> 
+
+<Callout type="info" title="Tip" icon="💡">
+foo
+</Callout> 
+