diff --git a/src/blocks/scratch3_looks.js b/src/blocks/scratch3_looks.js
index af8ed9d70..b2bad1ef7 100644
--- a/src/blocks/scratch3_looks.js
+++ b/src/blocks/scratch3_looks.js
@@ -12,6 +12,8 @@ function Scratch3LooksBlocks(runtime) {
  */
 Scratch3LooksBlocks.prototype.getPrimitives = function() {
     return {
+        'looks_show': this.show,
+        'looks_hide': this.hide,
         'looks_effectmenu': this.effectMenu,
         'looks_changeeffectby': this.changeEffect,
         'looks_seteffectto': this.setEffect,
@@ -22,6 +24,14 @@ Scratch3LooksBlocks.prototype.getPrimitives = function() {
     };
 };
 
+Scratch3LooksBlocks.prototype.show = function (args, util) {
+    util.target.setVisible(true);
+};
+
+Scratch3LooksBlocks.prototype.hide = function (args, util) {
+    util.target.setVisible(false);
+};
+
 Scratch3LooksBlocks.prototype.effectMenu = function (args) {
     return args.EFFECT.toLowerCase();
 };
diff --git a/src/sprites/clone.js b/src/sprites/clone.js
index cfee61556..a1c8b5c8d 100644
--- a/src/sprites/clone.js
+++ b/src/sprites/clone.js
@@ -24,6 +24,8 @@ Clone.prototype.y = 0;
 
 Clone.prototype.direction = 90;
 
+Clone.prototype.visible = true;
+
 Clone.prototype.size = 100;
 
 Clone.prototype.effects = {
@@ -51,6 +53,16 @@ Clone.prototype.setDirection = function (direction) {
     });
 };
 
+Clone.prototype.setVisible = function (visible) {
+    this.visible = visible;
+    // @todo: Until visibility is implemented in the renderer, use a ghost.
+    if (this.visible) {
+        this.setEffect('ghost', 0);
+    } else {
+        this.setEffect('ghost', 100);
+    }
+};
+
 Clone.prototype.setSize = function (size) {
     this.size = MathUtil.clamp(size, 5, 535);
     self.renderer.updateDrawableProperties(this.drawableID, {