diff --git a/css/stylesheet.css b/css/stylesheet.css
index 3795aed7b29512210f932df1c2833920b7c66886..5de9e78069b61622e88d6eb096d755cc1d1be9aa 100644
--- a/css/stylesheet.css
+++ b/css/stylesheet.css
@@ -256,7 +256,6 @@ section {
 
 .editor_container {
     left: 50%;
-    display: none;
 }
 
 .module_container {
@@ -264,6 +263,10 @@ section {
     border: none;
 }
 
+.hide{
+    display: none;
+}
+
 .tab_container {
     top: 30px;
     background: #242424;
diff --git a/index.html b/index.html
index 6718ebea3313029c06b4ae9fddb0baefeebfa46d..5d478f092d3ddd2df9a3188847e5c061b030528d 100644
--- a/index.html
+++ b/index.html
@@ -127,7 +127,7 @@
             </div>
         </section>
     </div>
-    <div class="sandbox_container">
+    <div class="sandbox_container hide">
         <div>
             <div class="inputContainer">
                 <div>
diff --git a/js/dom/show_algorithm.js b/js/dom/show_algorithm.js
index 54474f1e8ffafbe1ba11853b330bb92d585b64c9..9272e656689f5189540e7a418a3c0ef0e63595fa 100644
--- a/js/dom/show_algorithm.js
+++ b/js/dom/show_algorithm.js
@@ -25,6 +25,14 @@ module.exports = (category, algorithm, data, requestedFile) => {
     algorithm_name = categoryObj.list[algorithm];
   }
 
+  if(category_name === 'Sandbox'){
+      $('.editor_container').addClass('hide');
+      $('.sandbox_container').removeClass('hide');
+  }else{
+      $('.editor_container').removeClass('hide');
+      $('.sandbox_container').addClass('hide');
+  }
+
   $('.sidemenu button').removeClass('active');
   $menu.addClass('active');
 
@@ -45,4 +53,4 @@ module.exports = (category, algorithm, data, requestedFile) => {
 
   showDescription(data);
   addFiles(category, algorithm, files, requestedFile);
-};
\ No newline at end of file
+};
diff --git a/js/index.js b/js/index.js
index a5d711bdc6f1ced4de2538412a433e776a8f168a..3da725c692a738c10672d80e3baad1297cf39c34 100644
--- a/js/index.js
+++ b/js/index.js
@@ -40,7 +40,6 @@ $(() => {
 
   // load modules to the global scope so they can be evaled
   extend(true, window, modules);
-  extend(true, window, Sandbox);
 
   Server.loadCategories().then((data) => {
     app.setCategories(data);