diff --git a/src/BoardSwitcher.js b/src/BoardSwitcher.js
index 61ad96f..503061b 100644
--- a/src/BoardSwitcher.js
+++ b/src/BoardSwitcher.js
@@ -3,9 +3,16 @@ import React from 'react';
 class Board extends React.Component {
   render() {
     let className = "board";
+
+    //If the selected property is set to true (when index is proper)
+    //will add " selected" className which will cause the CSS 
+    //to take effect
     if (this.props.selected) {
       className += " selected";
     }
+    //returns a div that has a text of the card number(+1 b/c of
+    //indexing). The "board" CSS affects all of them while the 
+    //"selected" CSS affects one of them
     return (
       <div className={className}>
         {this.props.index + 1}
@@ -15,19 +22,46 @@ class Board extends React.Component {
 }
 
 class BoardSwitcher extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { key: 0 }
+  }
+
+  //Test to see how events work
+  // handleClick(){
+  //   alert("BRUH")
+  // }
+
+
+
+  //Once the user interacts w/ the board, this will take place
+
+
+
   render() {
+    //Initializes the board
+
+
     let boards = [];
     for (let ii = 0; ii < this.props.numBoards; ii++) {
-      let isSelected = ii === 0;
+      //If the key is bigger than the number of boards, will restart counter
+      if (this.state.key === this.props.numBoards) {
+        this.setState({ key: 0 })
+      }
+      //isSelected will be a boolean variable that holds the index of the selected board
+      let isSelected = ii === this.state.key;
       boards.push(
         <Board index={ii} selected={isSelected} key={ii} />
       );
     }
 
     return (
+      //When the button is clicked, the key will increment. This key will serve as 
+      //an pointer for the board that will be selected.
       <div>
         <div className="boards">{boards}</div>
-        <button>Toggle</button>
+
+        <button onClick={(e) => this.setState({ key: this.state.key + 1 })}>Toggle</button>
       </div>
     );
   }