diff --git a/.github/makecode/blocks.png b/.github/makecode/blocks.png
new file mode 100644
index 0000000..323e84a
Binary files /dev/null and b/.github/makecode/blocks.png differ
diff --git a/.github/makecode/blocksdiff.png b/.github/makecode/blocksdiff.png
new file mode 100644
index 0000000..323e84a
Binary files /dev/null and b/.github/makecode/blocksdiff.png differ
diff --git a/main.blocks b/main.blocks
index cd87c89..8b0cb78 100644
--- a/main.blocks
+++ b/main.blocks
@@ -1 +1 @@
-<xml xmlns="https://developers.google.com/blockly/xml"></xml>
\ No newline at end of file
+<xml xmlns="https://developers.google.com/blockly/xml"><block type="pxt-on-start" id="Mtw^iz-^+Fw(|WR{+g%-" x="0" y="0"></block></xml>
\ No newline at end of file
diff --git a/main.ts b/main.ts
index e69de29..8b13789 100644
--- a/main.ts
+++ b/main.ts
@@ -0,0 +1 @@
+
diff --git a/pxt.json b/pxt.json
index eb4b552..81a6a79 100644
--- a/pxt.json
+++ b/pxt.json
@@ -16,5 +16,6 @@
     },
     "supportedTargets": [
         "arcade"
-    ]
+    ],
+    "preferredEditor": "blocksprj"
 }