diff --git a/.gitignore b/.gitignore
index 1e85899..e331a4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 */build/**
 */dist/**
 */.idea/**
+.idea
diff --git a/block-lexical-variables/src/blocks/lexical-variables.js b/block-lexical-variables/src/blocks/lexical-variables.js
index 4a75fa7..da517a6 100644
--- a/block-lexical-variables/src/blocks/lexical-variables.js
+++ b/block-lexical-variables/src/blocks/lexical-variables.js
@@ -768,7 +768,7 @@ Blockly.Blocks['local_declaration_expression'] = {
     this.setStyle('variables_blocks');
     this.initLocals();
     // this.appendIndentedValueInput('RETURN')
-    this.appendValueInput('RETURN')
+    this.appendStatementInput('STACK')
         .appendField(
             Blockly.Msg.LANG_VARIABLES_LOCAL_DECLARATION_EXPRESSION_IN_RETURN);
     // Create plug for expression output
diff --git a/block-lexical-variables/src/blocks/procedures.js b/block-lexical-variables/src/blocks/procedures.js
index f634b75..58383fc 100644
--- a/block-lexical-variables/src/blocks/procedures.js
+++ b/block-lexical-variables/src/blocks/procedures.js
@@ -1056,3 +1056,12 @@ Blockly.Blocks['procedures_callreturn'] = {
   removeProcedureValue:
       Blockly.Blocks.procedures_callnoreturn.removeProcedureValue,
 };
+
+Blockly.Blocks['procedures_ifreturn'] = {
+  init: function() {
+    this.appendValueInput('VALUE').appendField(
+        "RETURN");
+    this.setPreviousStatement(true);
+    this.setStyle('procedure_blocks');
+  },
+};
\ No newline at end of file
diff --git a/block-lexical-variables/src/generators/lexical-variables.js b/block-lexical-variables/src/generators/lexical-variables.js
index ff738ba..6d96a3a 100644
--- a/block-lexical-variables/src/generators/lexical-variables.js
+++ b/block-lexical-variables/src/generators/lexical-variables.js
@@ -67,7 +67,26 @@ javascriptGenerator['local_declaration_statement'] = function() {
   return code;
 };
 
-javascriptGenerator['local_declaration_expression'] = function() {
-  // TODO
-  return 'NOT IMPLEMENTED YET';
+
+Blockly.JavaScript['local_declaration_expression'] = function() {
+  let code = '(function() {\n  ';
+  let hasVar = this.getFieldValue('VAR0')
+  if(hasVar) {
+    code += 'let '
+    for (let i=0; this.getFieldValue('VAR' + i); i++) {
+      code += (Shared.usePrefixInCode ? 'local_' : '') +
+          this.getFieldValue('VAR' + i);
+      code += ' = ' + ( Blockly.JavaScript.valueToCode(this,
+          'DECL' + i, Blockly.JavaScript.ORDER_NONE) || '0' );
+      code += ', ';
+    }
+    // Get rid of the last comma
+    code = code.slice(0, -2);
+    code += ';\n';
+  }
+
+  code += Blockly.JavaScript.statementToCode(this, 'STACK',
+      Blockly.JavaScript.ORDER_NONE);
+  code += '\n})()\n';
+  return [code, Blockly.JavaScript.ORDER_NONE];
 };
diff --git a/block-lexical-variables/src/generators/procedures.js b/block-lexical-variables/src/generators/procedures.js
index 1522da5..c9edc0e 100644
--- a/block-lexical-variables/src/generators/procedures.js
+++ b/block-lexical-variables/src/generators/procedures.js
@@ -22,3 +22,8 @@ javascriptGenerator['procedures_callreturn'] = function(block) {
   const code = funcName + '(' + args.join(', ') + ')';
   return [code, javascriptGenerator.ORDER_FUNCTION_CALL];
 };
+
+Blockly.JavaScript['procedures_ifreturn'] = function (block) {
+  let retVal = Blockly.JavaScript.valueToCode(block, 'VALUE', Blockly.JavaScript.ORDER_ATOMIC);
+  return '\nreturn ' + retVal + ';\n'
+};
\ No newline at end of file