diff --git a/components/Dropdown/Dropdown.js b/components/Dropdown/Dropdown.js
index c6cad4454..388054baa 100644
--- a/components/Dropdown/Dropdown.js
+++ b/components/Dropdown/Dropdown.js
@@ -2,24 +2,24 @@ class Dropdown {
   constructor(element) {
     
     // Assign this.element to the dropdown element
-    this.element;
+    this.element = element;
     
     // Get the element with the ".dropdown-button" class found in the dropdown element (look at the HTML for context)
-    this.button = this.element.querySelector();
+    this.button = this.element.querySelector('.dropdown-button');
     
     // assign the reference to the ".dropdown-content" class found in the dropdown element
-    this.content;
+    this.content = this.element.querySelector('.dropdown-content');
     
     // Add a click handler to the button reference and call the toggleContent method.
     this.button.addEventListener('click', () => {
-
+        this.toggleContent();
     })
   }
 
   toggleContent() {
     
     // Toggle the ".dropdown-hidden" class off and on
-    this.content;
+    this.content.classList.toggle('dropdown-hidden');
   }
 }
 
diff --git a/components/Tabs/Tabs.js b/components/Tabs/Tabs.js
index 4163d47aa..659bdbc1f 100644
--- a/components/Tabs/Tabs.js
+++ b/components/Tabs/Tabs.js
@@ -2,50 +2,52 @@
 class TabLink {
   constructor(element) {
     // Assign this.element to the passed in DOM element
-    // this.element;
+    this.element = element;
     
     // Get the custom data attribute on the Link
-    // this.data;
+    this.data = this.element.dataset.tab;
     
     // Using the custom data attribute get the associated Item element
-    // this.itemElement;
+    this.itemElement = document.querySelector(`.tabs-item[data-tab='${this.data}']`);
     
     // Using the Item element, create a new instance of the TabItem class
-    // this.tabItem;
+    this.tabItem = new TabItem(this.itemElement);
     
     // Add a click event listener on this instance, calling the select method on click
-
+    this.element.addEventListener('click', () => {
+      this.select();
+    })
   };
 
   select() {
     // Get all of the elements with the tabs-link class
-    // const links;
+    let links = document.querySelectorAll('.tabs-link');
 
     // Using a loop or the forEach method remove the 'tabs-link-selected' class from all of the links
-    // Array.from(links).forEach();
+    Array.from(links).forEach(array => array.classList.remove('tabs-link-selected'));
 
     // Add a class named "tabs-link-selected" to this link
-    // this.element;
+    this.element.classList.add('tabs-link-selected');
     
     // Call the select method on the item associated with this link
-
+      this.tabItem.select(this.itemElement);
   }
 }
 
 class TabItem {
   constructor(element) {
     // Assign this.element to the passed in element
-    // this.element;
+    this.element = element;
   }
 
   select() {
     // Select all ".tabs-item" elements from the DOM
-    // const items;
+    const items = document.querySelectorAll('.tabs-item');
 
     // Remove the class "tabs-item-selected" from each element
-    
+    items.forEach(item => item.classList.remove('tabs-item-selected)'));
     // Add a class named "tabs-item-selected" to this element
-    //this.element;
+    this.element.classList.add('tabs-item-selected');
   }
 }
 
@@ -59,4 +61,6 @@ class TabItem {
 
 */
 
-links = document.querySelectorAll();
\ No newline at end of file
+let links = document.querySelectorAll('.tabs-link');
+
+links = Array.from(links).map( element => new TabLink(element));
\ No newline at end of file
diff --git a/index.html b/index.html
index febb5870b..5f3ba375e 100644
--- a/index.html
+++ b/index.html
@@ -38,6 +38,7 @@
 						<div class="tabs-link" data-tab="2">Tab 2</div>
 						<div class="tabs-link" data-tab="3">Tab 3</div>
 						<div class="tabs-link" data-tab="4">Tab 4</div>
+						<div class="tabs-link" data-tab="5">Tab 5</div>
 					</div>
 					<div class="tabs-items">
 						<div class="tabs-item tabs-item-selected" data-tab="1">
@@ -72,6 +73,12 @@
 								that this has already happened.
 							</div>
 						</div>
+						<div class="tabs-item" data-tab="5">
+							<div class="tabs-item-title">Quote 5</div>
+							<div class="tabs-item-description">
+								Tab 5 test
+							</div>
+						</div>
 					</div>
 				</div>
 			</div>