diff --git a/src/extensions/scratch3_lightplay/index.js b/src/extensions/scratch3_lightplay/index.js
new file mode 100644
index 000000000..1063748c8
--- /dev/null
+++ b/src/extensions/scratch3_lightplay/index.js
@@ -0,0 +1,107 @@
+const ArgumentType = require('../../extension-support/argument-type');
+const BlockType = require('../../extension-support/block-type');
+const log = require('../../util/log');
+const formatMessage = require('format-message');
+const Cast = require('../../util/cast');
+const Timer = require('../../util/timer');
+
+
+/**
+ * Enum for light specification.
+ * @readonly
+ * @enum {string}
+ */
+const LightLabel = {
+    ONE: 'light 1',
+    TWO: 'light 2', 
+    THREE: 'light 3',
+    ALL: 'all lights'
+};
+
+/**
+ * Class for the translate block in Scratch 3.0.
+ * @constructor
+ */
+class Scratch3LightplayBlocks {
+    
+    constructor (runtime) {
+        /**
+         * The runtime instantiating this block package.
+         * @type {Runtime}
+         */
+        this.runtime = runtime;
+    }
+
+    /**
+     * @returns {object} metadata for this extension and its blocks.
+     */
+    getInfo () {
+        return {
+            id: 'lightplay',
+            name: 'Lightplay',
+            menuIconURI: '', // TODO: Add the final icons.
+            blockIconURI: '',
+            blocks: [
+                {
+                    opcode: 'lightOn',
+                    blockType: BlockType.COMMAND,
+                    text: formatMessage({
+                        id: 'lightplay.lightOn',
+                        default: 'turn [LIGHT_ID] on',
+                        description: 'turn a light on'
+                    }),
+                    arguments: {
+                        LIGHT_ID: {
+                            type: ArgumentType.STRING,
+                            menu: 'LIGHT_ID',
+                            defaultValue: LightLabel.ALL
+                        }
+                    }
+                },  
+            ],
+            menus: {
+              LIGHT_ID: [
+                    {
+                        text: formatMessage({
+                            id: 'lightplay.lightId.one',
+                            default: 'light 1',
+                            description: 'label for light 1 element in light menu for Lightplay extension'
+                        }),
+                        value: LightLabel.ONE
+                    },
+                    {
+                        text: formatMessage({
+                            id: 'lightplay.lightId.two',
+                            default: 'light 2',
+                            description: 'label for light 2 element in light menu for Lightplay extension'
+                        }),
+                        value: LightLabel.TWO
+                    },
+                    {
+                        text: formatMessage({
+                            id: 'lightplay.lightId.three',
+                            default: 'light 3',
+                            description: 'label for light 3 element in light menu for Lightplay extension'
+                        }),
+                        value: LightLabel.THREE
+                    },
+                    {
+                        text: formatMessage({
+                            id: 'lightplay.lightId.all',
+                            default: 'all lights',
+                            description: 'label for all lights element in light menu for Lightplay extension'
+                        }),
+                        value: LightLabel.ALL
+                    },
+                ],
+
+            }
+        };
+    }
+
+    lightOn (args) {
+      // TODO
+    }
+
+}
+module.exports = Scratch3LightplayBlocks;