diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
index 4070d32767..c5fde8997b 100644
--- a/01 - JavaScript Drum Kit/index-START.html	
+++ b/01 - JavaScript Drum Kit/index-START.html	
@@ -58,7 +58,22 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+  function playSound(e) {
+    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+    if (!audio) return; // stop the function from running all together
+    audio.currentTime = 0; // rewind to the start
+    audio.play();
+    key.classList.add('playing');
+  }
 
+  function removeTransition(e) {
+    if (e.propertyName !== 'transform') return; //skip if it's not transform
+    this.classList.remove('playing');
+  }
+  const keys = document.querySelectorAll('.key');
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+  window.addEventListener('keydown', playSound);
 </script>
 
 
diff --git a/02 - JS + CSS Clock/index-START.html b/02 - JS + CSS Clock/index-START.html
index 259280d228..35c139d876 100644
--- a/02 - JS + CSS Clock/index-START.html	
+++ b/02 - JS + CSS Clock/index-START.html	
@@ -61,11 +61,32 @@
       background:black;
       position: absolute;
       top:50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition: all 0.06s;
+      transition-timing-function: cubic-bezier(0,0.76,1,1.76);
     }
 
   </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 minutesDegrees = ((minutes / 60) * 360) + 90;
+    const secondsDegrees = ((seconds / 60) * 360) + 90;
+    const hoursDegrees = ((hours / 12) * 360) + 90;
+    secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+    minuteHand.style.transform = `rotate(${minutesDegrees}deg)`;
+    hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+  }
+
+  setInterval(setDate, 1000);
 
 
   </script>
diff --git a/03 - CSS Variables/index-START.html b/03 - CSS Variables/index-START.html
index bf0f33e3ba..767cb7c140 100644
--- a/03 - CSS Variables/index-START.html	
+++ b/03 - CSS Variables/index-START.html	
@@ -21,7 +21,21 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
 
   <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
     */
@@ -53,6 +67,17 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   </style>
 
   <script>
+
+  const inputs = document.querySelectorAll('.controls input');
+
+  function handleUpdate() {
+    const suffix = this.dataset.sizing || '';
+    document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix)
+  }
+
+  inputs.forEach(input => input.addEventListener('change', handleUpdate));
+  inputs.forEach(input => 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 089352c8a6..7d09d7f8ca 100644
--- a/04 - Array Cardio Day 1/index-START.html	
+++ b/04 - Array Cardio Day 1/index-START.html	
@@ -27,29 +27,75 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
-
+    const fifteen = inventors.filter(function(inventor){
+      if(inventor.year >= 1500 && inventor.year <= 1599) {
+        return true;
+      }
+    });
+    console.table(fifteen)
     // Array.prototype.map()
     // 2. Give us an array of the inventory first and last names
 
-    // Array.prototype.sort()
+    const fullNames = inventors.map(inventor => `${inventor.first} ${inventor.last}`);
+    console.log(fullNames);
+  // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+const birthDate = inventors.sort(function(a, b){
+  if(a.year > b.year) {
+    return 1;
+  } else {
+    return -1;
+  }
+});
+
+console.table(birthDate)
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+const lifetime = inventors.reduce((total, inventor) => {
+  return total + (inventor.passed - inventor.year);
+}, 0);
 
+console.log(lifetime);
     // 5. Sort the inventors by years lived
+const oldest = inventors.sort(function(a, b) {
+  const lastGuy = a.passed - a.year;
+  const nextGuy = b.passed - b.year;
+
+  return lastGuy > nextGuy ? -1 : 1;
+});
 
+console.table(oldest)
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
-
+//const category = document.querySelector('.mw-category');
+//const links = [...category.querySelectorAll('a')];
+//const de = links
+//             .map(link => link.textContent)
+//             .filter(streetName => streetName.includes('de'));
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+const alpha = people.sort(function(lastOne, nextOne){
+  const [aLast, aFirst] = lastOne.split(', ');
+  const [bLast, bFirst] = nextOne.split(', ');
+  return aLast > bLast ? 1 : -1;
+});
 
+console.log(alpha);
     // 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' ];
 
+const transportation = data.reduce(function(obj, item){
+  if (!obj[item]) {
+    obj[item] = 0;
+  }
+  obj[item]++;
+  return obj;
+}, {});
+
+console.log(transportation);
   </script>
 </body>
 </html>
diff --git a/05 - Flex Panel Gallery/index-START.html b/05 - Flex Panel Gallery/index-START.html
index e1d643ad5c..ad9fb9138f 100644
--- a/05 - Flex Panel Gallery/index-START.html	
+++ b/05 - Flex Panel Gallery/index-START.html	
@@ -24,6 +24,7 @@
     .panels {
       min-height:100vh;
       overflow: hidden;
+      display: flex;
     }
 
     .panel {
@@ -41,6 +42,11 @@
       font-size: 20px;
       background-size:cover;
       background-position:center;
+      flex: 1;
+      justify-content: center;
+      align-items: center;
+      display: flex;
+      flex-direction: column;
     }
 
 
@@ -54,8 +60,17 @@
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      flex: 1 0 auto;
+      display: flex;
+      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 {
       text-transform: uppercase;
       font-family: 'Amatic SC', cursive;
@@ -67,6 +82,7 @@
     }
 
     .panel.open {
+      flex: 5;
       font-size:40px;
     }
 
@@ -107,7 +123,21 @@
   </div>
 
   <script>
+    const panels = document.querySelectorAll('.panel');
+
+    function toggleOpen() {
+      this.classList.toggle('open');
+    }
+
+    function toggleActive(e) {
+      console.log(e.propertyName);
+      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/index-START.html b/06 - Type Ahead/index-START.html
index 1436886918..6b896b842a 100644
--- a/06 - Type Ahead/index-START.html	
+++ b/06 - Type Ahead/index-START.html	
@@ -16,7 +16,45 @@
   </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(wordToMatch, cities) {
+  return cities.filter(place => {
+    //here we need to figure out if the city or state matches what was searched
+    const regex = new RegExp(wordToMatch, 'gi');
+    return place.city.match(regex) || place.state.match(regex);
+  });
+}
+function numberWithCommas(x) {
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+}
+
+function displayMatches() {
+  const matchArray = findMatches(this.value, cities);
+  const html = matchArray.map(place => {
+    const regex = new RegExp(this.value, 'gi');
+    const cityName = place.city.replace(regex, `<span class="h1">${this.value}</span>`);
+    const stateName = place.state.replace(regex, `<span class="h1">${this.value}</span>`);
+    return `
+      <li>
+        <span class="name">${cityName}, ${stateName}</span>
+        <span class="population">Pop: ${numberWithCommas(place.population)}</span>
+      </li>
+      `;
+  }).join('');
+
+  suggestions.innerHTML = html;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('change', displayMatches);
+searchInput.addEventListener('keyup', displayMatches);
 </script>
   </body>
 </html>
diff --git a/06 - Type Ahead/style.css b/06 - Type Ahead/style.css
index 155164bae9..7eb207d17b 100644
--- a/06 - Type Ahead/style.css	
+++ b/06 - Type Ahead/style.css	
@@ -12,7 +12,10 @@
       width: 100%;
       padding:20px;
     }
+    .h1 {
+      background-color: #ffc600;
 
+    }
     .search-form {
       max-width:400px;
       margin:50px auto;