diff --git a/blocks_vertical/default_toolbox.js b/blocks_vertical/default_toolbox.js
index cdf02d8394..fec85ee159 100644
--- a/blocks_vertical/default_toolbox.js
+++ b/blocks_vertical/default_toolbox.js
@@ -389,6 +389,8 @@ Blockly.Blocks.defaultToolbox = '<xml id="toolbox-categories" style="display: no
         '<shadow type="checkbox" />' +
       '</value>' +
     '</block>' +
+    '<block type="looks_costume" />' +
+    '<block type="looks_backdrops" />' +
   '</category>' +
   '<category name="%{BKY_CATEGORY_SOUND}" id="sound" colour="#D65CD6">' +
     '<block type="sound_play" id="sound_play">' +
@@ -513,6 +515,7 @@ Blockly.Blocks.defaultToolbox = '<xml id="toolbox-categories" style="display: no
     '    </shadow>' +
     '  </value>' +
     '</block>' +
+    '<block type="sound_sounds_menu" />' +
   '</category>' +
   '<category name="%{BKY_CATEGORY_EVENTS}" id="events" colour="#FFD500">' +
     '<block type="event_whenflagclicked" id="event_whenflagclicked"></block>' +
@@ -548,6 +551,7 @@ Blockly.Blocks.defaultToolbox = '<xml id="toolbox-categories" style="display: no
     '<block type="event_whenstopclicked" />' +
     '<block type="event_whenmousescrolled" />' +
     '<block type="event_whenkeyhit" />' +
+    '<block type="event_broadcast_menu" />' +
   '</category>' +
   '<category name="%{BKY_CATEGORY_CONTROL}" id="control" colour="#FFAB19">' +
     '<block type="control_wait" id="control_wait">' +
@@ -860,6 +864,7 @@ Blockly.Blocks.defaultToolbox = '<xml id="toolbox-categories" style="display: no
         '<shadow type="sensing_distancetomenu" />' +
       '</value>' +
     '</block>' +
+    '<block type="sensing_sprites" />' +
   '</category>' +
   '<category name="%{BKY_CATEGORY_OPERATORS}" id="operators" colour="#40BF4A">' +
     '<block type="operator_add" id="operator_add">' +
@@ -1162,6 +1167,7 @@ Blockly.Blocks.defaultToolbox = '<xml id="toolbox-categories" style="display: no
         '<shadow type="text" />' +
       '</value>' +
     '</block>' +
+    '<block type="operator_constant" />' +
   '</category>' +
   '<category name="%{BKY_PM_CATEGORY_STRINGS}" id="strings" colour="#47c18a">' +
     '<block type="operator_join" id="operator_join">' +
diff --git a/blocks_vertical/operators.js b/blocks_vertical/operators.js
index 9581322ae8..ae6cdeb6de 100644
--- a/blocks_vertical/operators.js
+++ b/blocks_vertical/operators.js
@@ -1662,4 +1662,25 @@ Blockly.Blocks["operator_decode"] = {
       "extensions": ["colours_operators_strings", "output_string"]
     });
   }
+};
+
+Blockly.Blocks["operator_constant"] = {
+  init: function() {
+    this.jsonInit({
+      "message0": "%1",
+      "args0": [
+        {
+          "type": "field_dropdown",
+          "name": "CONSTANT",
+          "options": [
+            ["π", "pi"],
+            ["e", "euler"],
+            ["φ", "goldenratio"]
+          ]
+        },
+      ],
+      "category": Blockly.Categories.operators,
+      "extensions": ["colours_operators", "output_number"]
+    });
+  }
 };
\ No newline at end of file
diff --git a/blocks_vertical/sensing.js b/blocks_vertical/sensing.js
index e0755c05b2..fcf0fe492e 100644
--- a/blocks_vertical/sensing.js
+++ b/blocks_vertical/sensing.js
@@ -1109,3 +1109,27 @@ Blockly.Blocks['sensing_getxyoftouchingsprite'] = {
     });
   }
 };
+
+Blockly.Blocks['sensing_sprites'] = {
+  /**
+   * Block to set drag mode.
+   * @this Blockly.Block
+   */
+  init: function() {
+    this.jsonInit({
+      "message0": "%1",
+      "args0": [
+        {
+          "type": "field_dropdown",
+          "name": "SPRITE",
+          "options": [
+            ['Sprite1', 'Sprite1'],
+            ['Sprite2', 'Sprite2']
+          ]
+        }
+      ],
+      "category": Blockly.Categories.sensing,
+      "extensions": ["colours_sensing", "output_string"]
+    });
+  }
+};
\ No newline at end of file
diff --git a/core/css.js b/core/css.js
index 8023b7191e..bdca60d261 100644
--- a/core/css.js
+++ b/core/css.js
@@ -513,6 +513,10 @@ Blockly.Css.CONTENT = [
   '.blocklyEditableText>text {',
     'fill: $colour_textFieldText;',
   '}',
+  '.blocklyNonEditableText,',
+  '.blocklyEditableText {',
+    'background: #0000;', // dumb thing to make cursor work with no background
+  '}',
 
   '.blocklyEditableText>.blocklyEditableLabel {',
     'fill: #fff;',
diff --git a/core/field_dropdown.js b/core/field_dropdown.js
index 47b7ceb66b..afebce0fcd 100644
--- a/core/field_dropdown.js
+++ b/core/field_dropdown.js
@@ -148,7 +148,8 @@ Blockly.FieldDropdown.prototype.init = function() {
       'stroke': this.sourceBlock_.getColourTertiary(),
       'fill': this.sourceBlock_.getColour(),
       'class': 'blocklyBlockBackground',
-      'fill-opacity': 1
+      'fill-opacity': 1,
+      'opacity': this.sourceBlock_.inputList.length === 1 && this.sourceBlock_.inputList[0].fieldRow.length === 1 ? 0 : 1
     }, null);
     this.fieldGroup_.insertBefore(this.box_, this.textElement_);
   }
@@ -443,7 +444,7 @@ Blockly.FieldDropdown.prototype.positionArrow = function(x) {
     this.arrowX_ = x + Blockly.BlockSvg.DROPDOWN_ARROW_PADDING / 2;
     addedWidth = this.arrowSize_ + Blockly.BlockSvg.DROPDOWN_ARROW_PADDING;
   }
-  if (this.box_) {
+  if (this.box_ && !(this.sourceBlock_.inputList.length === 1 && this.sourceBlock_.inputList[0].fieldRow.length === 1)) {
     // Bump positioning to the right for a box-type drop-down.
     this.arrowX_ += Blockly.BlockSvg.BOX_FIELD_PADDING;
   }
@@ -452,6 +453,19 @@ Blockly.FieldDropdown.prototype.positionArrow = function(x) {
   return addedWidth;
 };
 
+Blockly.FieldDropdown.prototype.updateWidth = function() {
+  Blockly.FieldDropdown.superClass_.updateWidth.call(this);
+
+  var width = this.size_.width;
+
+  // remove padding
+  if (this.box_ && this.sourceBlock_.inputList.length === 1 && this.sourceBlock_.inputList[0].fieldRow.length === 1) {
+    width -= 2 * Blockly.BlockSvg.BOX_FIELD_PADDING;
+  }
+
+  this.size_.width = width;
+};
+
 /**
  * Close the dropdown menu if this input is being deleted.
  */