diff --git a/generators/dart/variables_dynamic.js b/generators/dart/variables_dynamic.js
new file mode 100644
index 000000000..4f724623c
--- /dev/null
+++ b/generators/dart/variables_dynamic.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2018 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Generating Dart for dynamic variable blocks.
+ * @author fenichel@google.com (Rachel Fenichel)
+ */
+'use strict';
+
+goog.provide('Blockly.Dart.variablesDynamic');
+
+goog.require('Blockly.Dart');
+goog.require('Blockly.Dart.variables');
+
+
+// Dart is dynamically typed.
+Blockly.Dart['variables_get_dynamic'] = Blockly.Dart['variables_get'];
+Blockly.Dart['variables_set_dynamic'] = Blockly.Dart['variables_set'];
diff --git a/generators/javascript/variables_dynamic.js b/generators/javascript/variables_dynamic.js
new file mode 100644
index 000000000..fd3297b8d
--- /dev/null
+++ b/generators/javascript/variables_dynamic.js
@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2018 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Generating JavaScript for dynamic variable blocks.
+ * @author fenichel@google.com (Rachel Fenichel)
+ */
+'use strict';
+
+goog.provide('Blockly.JavaScript.variablesDynamic');
+
+goog.require('Blockly.JavaScript');
+goog.require('Blockly.JavaScript.variables');
+
+
+// JavaScript is dynamically typed.
+Blockly.JavaScript['variables_get_dynamic'] =
+    Blockly.JavaScript['variables_get'];
+Blockly.JavaScript['variables_set_dynamic'] =
+    Blockly.JavaScript['variables_set'];
diff --git a/generators/lua/variables_dynamic.js b/generators/lua/variables_dynamic.js
new file mode 100644
index 000000000..60b07ef5e
--- /dev/null
+++ b/generators/lua/variables_dynamic.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2018 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Generating Lua for dynamic variable blocks.
+ * @author fenichel@google.com (Rachel Fenichel)
+ */
+'use strict';
+
+goog.provide('Blockly.Lua.variablesDynamic');
+
+goog.require('Blockly.Lua');
+goog.require('Blockly.Lua.variables');
+
+
+// Lua is dynamically typed.
+Blockly.Lua['variables_get_dynamic'] = Blockly.Lua['variables_get'];
+Blockly.Lua['variables_set_dynamic'] = Blockly.Lua['variables_set'];
diff --git a/generators/php/variables_dynamic.js b/generators/php/variables_dynamic.js
new file mode 100644
index 000000000..9ccc41465
--- /dev/null
+++ b/generators/php/variables_dynamic.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2018 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Generating PHP for dynamic variable blocks.
+ * @author fenichel@google.com (Rachel Fenichel)
+ */
+'use strict';
+
+goog.provide('Blockly.PHP.variablesDynamic');
+
+goog.require('Blockly.PHP');
+goog.require('Blockly.PHP.variables');
+
+
+// PHP is dynamically typed.
+Blockly.PHP['variables_get_dynamic'] = Blockly.PHP['variables_get'];
+Blockly.PHP['variables_set_dynamic'] = Blockly.PHP['variables_set'];
diff --git a/generators/python/variables_dynamic.js b/generators/python/variables_dynamic.js
new file mode 100644
index 000000000..928421aee
--- /dev/null
+++ b/generators/python/variables_dynamic.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Visual Blocks Language
+ *
+ * Copyright 2018 Google Inc.
+ * https://developers.google.com/blockly/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @fileoverview Generating Python for dynamic variable blocks.
+ * @author fenichel@google.com (Rachel Fenichel)
+ */
+'use strict';
+
+goog.provide('Blockly.Python.variablesDynamic');
+
+goog.require('Blockly.Python');
+goog.require('Blockly.Python.variables');
+
+
+// Python is dynamically typed.
+Blockly.Python['variables_get_dynamic'] = Blockly.Python['variables_get'];
+Blockly.Python['variables_set_dynamic'] = Blockly.Python['variables_set'];
diff --git a/tests/playground.html b/tests/playground.html
index 15379f20a..8e63815ea 100644
--- a/tests/playground.html
+++ b/tests/playground.html
@@ -12,6 +12,7 @@
 <script src="../generators/javascript/lists.js"></script>
 <script src="../generators/javascript/colour.js"></script>
 <script src="../generators/javascript/variables.js"></script>
+<script src="../generators/javascript/variables_dynamic.js"></script>
 <script src="../generators/javascript/procedures.js"></script>
 <script src="../generators/python.js"></script>
 <script src="../generators/python/logic.js"></script>
@@ -21,6 +22,7 @@
 <script src="../generators/python/lists.js"></script>
 <script src="../generators/python/colour.js"></script>
 <script src="../generators/python/variables.js"></script>
+<script src="../generators/python/variables_dynamic.js"></script>
 <script src="../generators/python/procedures.js"></script>
 <script src="../generators/php.js"></script>
 <script src="../generators/php/logic.js"></script>
@@ -30,6 +32,7 @@
 <script src="../generators/php/lists.js"></script>
 <script src="../generators/php/colour.js"></script>
 <script src="../generators/php/variables.js"></script>
+<script src="../generators/php/variables_dynamic.js"></script>
 <script src="../generators/php/procedures.js"></script>
 <script src="../generators/lua.js"></script>
 <script src="../generators/lua/logic.js"></script>
@@ -39,6 +42,7 @@
 <script src="../generators/lua/lists.js"></script>
 <script src="../generators/lua/colour.js"></script>
 <script src="../generators/lua/variables.js"></script>
+<script src="../generators/lua/variables_dynamic.js"></script>
 <script src="../generators/lua/procedures.js"></script>
 <script src="../generators/dart.js"></script>
 <script src="../generators/dart/logic.js"></script>
@@ -48,6 +52,7 @@
 <script src="../generators/dart/lists.js"></script>
 <script src="../generators/dart/colour.js"></script>
 <script src="../generators/dart/variables.js"></script>
+<script src="../generators/dart/variables_dynamic.js"></script>
 <script src="../generators/dart/procedures.js"></script>
 <script src="../msg/messages.js"></script>
 <script src="../blocks/logic.js"></script>