diff --git a/07week/towersOfHanoi/script.js b/07week/towersOfHanoi/script.js
index 9b156e880..3974d68d5 100644
--- a/07week/towersOfHanoi/script.js
+++ b/07week/towersOfHanoi/script.js
@@ -3,24 +3,53 @@
 class TowersOfHanoi extends React.Component {
   constructor(props) {
     super(props);
+    this.state = {
+      block: null
+     };
   }
 
+clickStack=(stackid)=>{
+  const state = {...this.state};
+  //state['block'] = this.state.block;
+  //const attribute = element.getAttribute('data-block').value;
+  //const children = this.state.['block'];
+  const currentStack = document.getElementById(stackid);
+  const children = currentStack.children;
+  const lastChild = children.item(children.length-1);
+
+    if (state['block'] == null) {
+      state['block'] = currentStack.removeChild(lastChild);
+    } else {
+      if ( (lastChild != null) && (parseInt(lastChild.dataset['block']) < parseInt(state['block'].dataset['block']))) {
+        alert("Invalid Move");
+      } else {
+        currentStack.appendChild(state['block']);
+        state['block'] = null;
+      }
+    }
+
+   if (document.getElementById('stack2').children.length >= 4 || document.getElementById('stack2').children.length >= 4 ){
+    state.win = (`You win!`);
+   }
+
+this.setState(state)
+};
+
   render() {
     return (
       <div>
-        <div data-stack="1">
+        <div id="stack1" data-stack="1" onClick={() => this.clickStack('stack1')}>{this.state.stack1}
           <div data-block="100"></div>
           <div data-block="75"></div>
           <div data-block="50"></div>
           <div data-block="25"></div>
         </div>
-        <div data-stack="2">
-        </div>
-        <div data-stack="3">
-        </div>
-      </div>
+        <div id="stack2" data-stack="2" onClick={() => this.clickStack('stack2')}>{this.state.stack2}</div>
+        <div id="stack3" data-stack="3" onClick={() => this.clickStack('stack3')}>{this.state.stack3}</div>
+      <div id="announce-game-won">{this.state.win}</div>
+    </div>
     );
   }
 }
-
+//<div data-cell="0" onClick={() => this.handleClick('cell0')}>{this.state.cell0}</div>
 ReactDOM.render(<TowersOfHanoi />, document.getElementById('towers-of-hanoi'));