diff --git a/src/lib/Toolbox/Toolbox.xml b/src/lib/Toolbox/Toolbox.xml
index d1039b7..527d2d1 100644
--- a/src/lib/Toolbox/Toolbox.xml
+++ b/src/lib/Toolbox/Toolbox.xml
@@ -90,6 +90,8 @@
     </category>
     <category name="Functions" colour="#5531D6">
         <block type="functions_create" />
+        <block type="functions_inline" />
+        <sep gap="48"></sep>
         <block type="functions_return" />
         <sep gap="48"></sep>
         <block type="functions_call" />
diff --git a/src/resources/blocks/functions.js b/src/resources/blocks/functions.js
index f4dbf94..f7c8037 100644
--- a/src/resources/blocks/functions.js
+++ b/src/resources/blocks/functions.js
@@ -34,6 +34,28 @@ function register() {
         return `${code}\n`;
     })
 
+    // inline function
+    registerBlock(`${categoryPrefix}inline`, {
+        message0: 'inline function %1 %2',
+        args0: [
+            {
+                "type": "input_dummy"
+            },
+            {
+                "type": "input_statement",
+                "name": "FUNC"
+            }
+        ],
+        output: null,
+        inputsInline: true,
+        colour: categoryColor,
+    }, (block) => {
+        const FUNC = javascriptGenerator.statementToCode(block, 'FUNC');
+        
+        const code = `(() => { ${FUNC} })`;
+        return `${code}\n`;
+    })
+
     // return
     registerBlock(`${categoryPrefix}return`, {
         message0: 'return %1',