diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..65a6eec
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,3 @@
+{
+    "recommendations": ["ms-edu.pxt-vscode-web"]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..d865f58
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,29 @@
+{
+    "editor.formatOnType": true,
+    "files.autoSave": "afterDelay",
+    "files.watcherExclude": {
+        "**/.git/objects/**": true,
+        "**/built/**": true,
+        "**/node_modules/**": true,
+        "**/yotta_modules/**": true,
+        "**/yotta_targets": true,
+        "**/pxt_modules/**": true,
+        "**/.pxt/**": true
+    },
+    "files.associations": {
+        "*.blocks": "html",
+        "*.jres": "json"
+    },
+    "search.exclude": {
+        "**/built": true,
+        "**/node_modules": true,
+        "**/yotta_modules": true,
+        "**/yotta_targets": true,
+        "**/pxt_modules": true,
+        "**/.pxt": true
+    },
+    "files.exclude": {
+        "**/pxt_modules": true,
+        "**/.pxt": true
+    }
+}
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..91ceacd
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'github-pages', group: :jekyll_plugins
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9068464
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,10 @@
+all: deploy
+
+build:
+	pxt build
+
+deploy:
+	pxt deploy
+
+test:
+	pxt test
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..206f0df
--- /dev/null
+++ b/README.md
@@ -0,0 +1,24 @@
+
+> Open this page at [https://ethanpullan.github.io/stacker2/](https://ethanpullan.github.io/stacker2/)
+
+## Use as Extension
+
+This repository can be added as an **extension** in MakeCode.
+
+* open [https://makecode.microbit.org/](https://makecode.microbit.org/)
+* click on **New Project**
+* click on **Extensions** under the gearwheel menu
+* search for **https://github.com/ethanpullan/stacker2** and import
+
+## Edit this project
+
+To edit this repository in MakeCode.
+
+* open [https://makecode.microbit.org/](https://makecode.microbit.org/)
+* click on **Import** then click on **Import URL**
+* paste **https://github.com/ethanpullan/stacker2** and click import
+
+#### Metadata (used for search, rendering)
+
+* for PXT/microbit
+<script src="https://makecode.com/gh-pages-embed.js"></script><script>makeCodeRender("{{ site.makecode.home_url }}", "{{ site.github.owner_name }}/{{ site.github.repository_name }}");</script>
diff --git a/_config.yml b/_config.yml
new file mode 100644
index 0000000..f56a029
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1,8 @@
+makecode:
+  target: microbit
+  platform: microbit
+  home_url: https://makecode.microbit.org/
+theme: jekyll-theme-slate
+include:
+  - assets
+  - README.md
diff --git a/main.blocks b/main.blocks
new file mode 100644
index 0000000..9720ca4
--- /dev/null
+++ b/main.blocks
@@ -0,0 +1,4 @@
+<xml xmlns="http://www.w3.org/1999/xhtml">
+  <block type="pxt-on-start"></block>
+  <block type="device_forever"></block>
+</xml>
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/main.py
@@ -0,0 +1 @@
+
diff --git a/main.ts b/main.ts
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/main.ts
@@ -0,0 +1 @@
+
diff --git a/pxt.json b/pxt.json
new file mode 100644
index 0000000..50d4caa
--- /dev/null
+++ b/pxt.json
@@ -0,0 +1,26 @@
+{
+    "name": "Stacker2",
+    "description": "",
+    "dependencies": {
+        "core": "*",
+        "radio": "*",
+        "microphone": "*"
+    },
+    "files": [
+        "main.ts",
+        "README.md",
+        "main.py"
+    ],
+    "testFiles": [
+        "test.ts"
+    ],
+    "targetVersions": {
+        "target": "6.0.25",
+        "targetId": "microbit"
+    },
+    "supportedTargets": [
+        "microbit"
+    ],
+    "preferredEditor": "pyprj",
+    "languageRestriction": "python-only"
+}
diff --git a/test.ts b/test.ts
new file mode 100644
index 0000000..7bf240c
--- /dev/null
+++ b/test.ts
@@ -0,0 +1 @@
+// tests go here; this will not be compiled when this package is used as an extension.
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..46f831b
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,9 @@
+{
+    "compilerOptions": {
+        "target": "ES5",
+        "noImplicitAny": true,
+        "outDir": "built",
+        "rootDir": "."
+    },
+    "exclude": ["pxt_modules/**/*test.ts"]
+}