diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
index 4070d32767..be2282c893 100644
--- a/01 - JavaScript Drum Kit/index-START.html	
+++ b/01 - JavaScript Drum Kit/index-START.html	
@@ -58,7 +58,31 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+window.addEventListener('keydown', playSound);
 
+const keys = document.querySelectorAll('.key');
+keys.forEach(key =>  key.addEventListener('transitionend', removeTransition));
+
+function playSound (e) {
+  const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+  const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+
+  if(!audio) {
+    return;
+  }
+
+  audio.currentTime = 0;
+  audio.play();
+
+  key.classList.add('playing');
+}
+
+function removeTransition (e) {
+  if (e.propertyName !== 'transform') {
+    return;
+  }
+  this.classList.remove('playing');
+}
 </script>
 
 
diff --git a/02 - JS and CSS Clock/index-START.html b/02 - JS and CSS Clock/index-START.html
index ee7eaefb1f..eb854f0835 100644
--- a/02 - JS and CSS Clock/index-START.html	
+++ b/02 - JS and CSS Clock/index-START.html	
@@ -62,12 +62,35 @@
       background:black;
       position: absolute;
       top:50%;
+      transform-origin:100%;
+      transition-timing-function: cubic-bezier(.21, 1.84, .56, 1.06);
+      transition: all .5s;
+      transform:rotate(90deg);
     }
 
   </style>
 
   <script>
+  const secondHand = document.querySelector('.second-hand');
+  const minuteHand = document.querySelector('.min-hand');
+  const hourHand = document.querySelector('.hour-hand');
 
+  function setDate () {
+    const now = new Date();
+    const seconds = now.getSeconds();
+    const minutes = now.getMinutes();
+    const hours = now.getHours();
+
+    const secondAngle = (seconds / 60) * 360 + 90;
+    const minuteAngle = (minutes / 60) * 360 + 90;
+    const hourAngle = (hours / 12) * 360 + 90;
+
+    secondHand.style.transform = `rotate(${secondAngle}deg)`;
+    minuteHand.style.transform = `rotate(${minuteAngle}deg)`;
+    hourHand.style.transform = `rotate(${hourAngle}deg)`;
+  }
+
+  setInterval(setDate, 1000);
 
   </script>
 </body>
diff --git a/03 - CSS Variables/index-START.html b/03 - CSS Variables/index-START.html
index ca2b59d077..2b9c30381a 100644
--- a/03 - CSS Variables/index-START.html	
+++ b/03 - CSS Variables/index-START.html	
@@ -22,7 +22,22 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
 
   <style>
 
-    /*
+    :root {
+      --base: #ffc600;
+      --spacing: 10px;
+      --blur: 10px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .hl {
+      color: var(--base);
+    }
+      /*
       misc styles, nothing to do with CSS variables
     */
 
@@ -48,6 +63,20 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   </style>
 
   <script>
+
+    function handleUpdate() {
+      const suffix = this.dataset.sizing || '';
+      const name = this.name;
+      document.documentElement.style.setProperty(`--${name}`, this.value + suffix)
+    }
+
+    const inputs = document.querySelectorAll('.controls input');
+
+    inputs.forEach(input => {
+      input.addEventListener('change', handleUpdate);
+      input.addEventListener('mousemove', handleUpdate);
+    });
+
   </script>
 
 </body>
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
index eec0ffc31d..4c7f831444 100644
--- a/04 - Array Cardio Day 1/index-START.html	
+++ b/04 - Array Cardio Day 1/index-START.html	
@@ -31,17 +31,38 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    console.table( inventors.filter(person => person.year >= 1500 && person.year < 1600) );
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
+    console.log(inventors.map(inventor => `${inventor.first} ${inventor.last}`));
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    const ordered = inventors.sort( (a,b) => {
+      if(a.year > b.year) {
+        return 1;
+      } else {
+        return -1;
+      }
+    });
+
+    console.table(ordered);
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    const totalYearsLived = inventors
+      .map(inventor => inventor.passed-inventor.year)
+      .reduce( (accum, current) => accum + current, 0);
+
+    console.log(totalYearsLived);
 
     // 5. Sort the inventors by years lived
+    console.table(
+      inventors
+        .map(inventor => ({name: inventor.first + ' ' + inventor.last, age: inventor.passed-inventor.year}) )
+        .sort( (a,b) => a.age > b.age ? 1 : -1)
+    );
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
@@ -49,11 +70,27 @@
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+    const sortedPeople = people.map( person => {
+      return {
+        first: person.split(', ')[0],
+        last: person.split(', ')[1]
+      }
+    }).sort( (a,b) => a.last > b.last ? 1 : -1 );
+    console.table(sortedPeople);
+
 
     // 8. Reduce Exercise
     // Sum up the instances of each of these
     const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
 
+    dataCounts = data.reduce( (counts, next) => {
+      counts[next] = counts[next] || 0;
+      counts[next]++;
+      return counts;
+    }, {} );
+
+    console.log(dataCounts);
+
   </script>
 </body>
 </html>
diff --git a/05 - Flex Panel Gallery/index-START.html b/05 - Flex Panel Gallery/index-START.html
index 31c9167e16..fd33bdd563 100644
--- a/05 - Flex Panel Gallery/index-START.html	
+++ b/05 - Flex Panel Gallery/index-START.html	
@@ -24,6 +24,8 @@
     .panels {
       min-height:100vh;
       overflow: hidden;
+      display:flex;
+      flex-direction: row;
     }
 
     .panel {
@@ -41,6 +43,10 @@
       font-size: 20px;
       background-size:cover;
       background-position:center;
+      justify-content: center;
+      flex-direction: column;
+      flex:1;
+      display:flex;
     }
 
 
@@ -54,6 +60,24 @@
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      border: 1px solid red;
+      display:flex;
+      flex: 1 0 auto;
+      justify-content: center;
+      align-items: center;
+    }
+
+    .panel > *:first-child {
+      transform: translateY(-100%);
+    }
+    .panel.open-active > *:first-child {
+      transform: translateY(0);
+    }
+    .panel > *:last-child {
+      transform: translateY(100%);
+    }
+    .panel.open-active > *:last-child {
+      transform: translateY(0);
     }
 
     .panel p {
@@ -68,6 +92,7 @@
 
     .panel.open {
       font-size:40px;
+      flex:5;
     }
 
   </style>
@@ -102,7 +127,20 @@
   </div>
 
   <script>
+  const panels = document.querySelectorAll('.panel');
+
+  function toggleOpen() {
+    this.classList.toggle('open');
+  }
+
+  function toggleActive(e) {
+    if(e.propertyName.includes('flex')) {
+      this.classList.toggle('open-active');
+    };  
+  }
 
+  panels.forEach(panel => panel.addEventListener('click', toggleOpen));
+  panels.forEach(panel => panel.addEventListener('transitionend', toggleActive));
   </script>
 
 
diff --git a/06 - Type Ahead/.directory b/06 - Type Ahead/.directory
new file mode 100644
index 0000000000..2dde53d454
--- /dev/null
+++ b/06 - Type Ahead/.directory	
@@ -0,0 +1,5 @@
+[Dolphin]
+SortOrder=1
+Timestamp=2017,3,20,18,35,52
+Version=3
+ViewMode=1
diff --git a/06 - Type Ahead/index-START.html b/06 - Type Ahead/index-START.html
index 1436886918..f6aa3e1cb4 100644
--- a/06 - Type Ahead/index-START.html	
+++ b/06 - Type Ahead/index-START.html	
@@ -16,6 +16,42 @@
   </form>
 <script>
 const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
+const cities = [];
+
+fetch(endpoint)
+  .then(blob => blob.json())
+  .then(data => cities.push(...data));
+
+function findMatches(text, cities) {
+  return cities.filter(place => {
+    const regex = new RegExp(text, 'gi');
+    return place.city.match(regex) || place.state.match(regex);
+  });
+}
+
+function displayMatches() {
+  const search = this.value;
+  const matchArray = findMatches(search, cities);
+
+  const html = matchArray.map(place => {
+    const regex = new RegExp(this.value, 'gi');
+    const cityName = place.city.replace(regex, `<span class="hl">${this.value}</span>`);
+    const stateName = place.state.replace(regex, `<span class="hl">${this.value}</span>`);
+
+    return `
+      <li>
+        <span class="name">${cityName}, ${stateName}</span>
+        <span class="population">${place.population}</span>
+      </li>`;
+  }).join('');
+  suggestions.innerHTML = html;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('keyup', displayMatches);
+
 
 </script>
   </body>