diff --git a/assignments/lambda-classes.js b/assignments/lambda-classes.js
index 71acfca0e..bab112a81 100644
--- a/assignments/lambda-classes.js
+++ b/assignments/lambda-classes.js
@@ -1 +1,164 @@
 // CODE here for your Lambda Classes
+class Person {
+    constructor(attributes) {
+    this.name = attributes.name
+    this.age = attributes.age
+    this.location = attributes.location
+    this.gender = attributes.gender
+}
+    speak(){
+        console.log(`Hello my name is ${this.name}, I am from ${this.location}`);
+}
+
+}
+
+class Instructor extends Person {
+    constructor(options){
+        super(options);
+        this.specialty = options.specialty
+        this.favLanguage = options.favLanguage
+        this.catchPhrase = options.catchPhrase
+    }
+
+    demo(subject){
+        return `Today we are learning about ${subject}`;
+    }
+    grade(student, subject){
+        return `${student} receives a perfect score on ${subject}`;
+    }
+    gradeChange(min, max){
+        min = Math.ceil(min);
+        max = Math.floor(max);
+        return Math.floor(Math.random(this.grade) * (max - min + 1)) + min;
+    }
+}
+class Student extends Person {
+    constructor(traits){
+        super(traits);
+        this.previousBackground = traits.previousBackground
+        this.className = traits.className
+        this.favSubjects = traits.favSubjects
+    }
+
+    listsSubjects() {
+        for (let i = 0; i < this.favSubjects.length; i++) {
+          console.log(`${this.name} loves ${this.favSubjects[i]}`);
+    }
+    }
+    PRAssignment(subject){
+        return `${this.name} has submitted a PR for ${subject}`;
+    }
+    sprintChallenge(subject){
+        return `${this.name} has begun spring challenge on ${subject}`;
+    }
+    gradeAdjust(){
+        return Math.floor(Math.random() * 100) + 1;
+    }
+    graduate(){
+        if (this.grade > 70){
+            console.log(`Congratulations ${this.name}, you graduated!`)
+        }
+        else {
+           console.log(this.grade);
+        }
+    }
+}
+class ProjectManagers extends Instructor {
+    constructor(descriptors){
+        super(descriptors);
+        this.gradClassName = descriptors.gradClassName
+        this.favInstructor = descriptors.favInstructor
+    }
+
+    standup(channel){
+        return `${this.name} announces to ${channel}, @channel standy times!`;
+    }
+    debugsCode(student, subject){
+        return `${this.name} debugs ${student}'s code on ${subject}`;
+    }
+}
+
+const Mike = new Student ({
+    name: 'Mike',
+    age: 28,
+    location: 'Philadelphia, PA',
+    gender: 'M',
+    previousBackground: 'Covert Ops',
+    className: 'CS 11',
+    favSubjects:['JavaScript', 'CSS', 'Python']
+});
+const Todd = new Student ({
+    name: 'Todd',
+    age: 34,
+    location: 'Albequerque, NM',
+    gender: 'M',
+    previousBackground: 'Accountant',
+    className: 'CS 10',
+    favSubjects:['Node', 'C++', 'Applied Cryptography']
+});
+
+const Darrel = new Instructor ({
+    name: 'Darrel',
+    age: 41,
+    location: 'Austin, TX',
+    gender: 'M',
+    specialty: 'Applied JavaScript',
+    favLanguage: 'Rust',
+    catchPhrase: 'Flippin heck!'
+});
+
+const Tracy = new Instructor ({
+    name: 'Tracy',
+    age: 37,
+    location: 'Seattle, WA',
+    gender: 'F',
+    specialty: 'React',
+    favLanguage: 'Solidity',
+    catchPhrase: 'By golly!' 
+});
+
+const Cheryl = new ProjectManagers ({
+    name: 'Cheryl',
+    age: 51,
+    location: 'Buffalo, NY',
+    gender: 'F',
+    specialty: 'Node',
+    favLanguage: 'Python',
+    catchPhrase: 'Bring the ruckus!',
+    gradClassName: 'Aristocrats',
+    favInstructor: 'Patrick'
+});
+
+const David = new ProjectManagers ({
+    name: 'David',
+    age: 70,
+    location: 'Denver, CO',
+    gender: 'M',
+    specialty: 'R',
+    favLanguage: 'JavaScript',
+    catchPhrase: 'What was that?',
+    gradClassName: 'Gentlefolks',
+    favInstructor: 'Josh'
+});
+
+
+console.log(Mike.previousBackground);
+console.log(Todd.className);
+console.log(Mike.favSubjects);
+console.log(Todd.listsSubjects()); //?
+console.log(Mike.PRAssignment('value'));
+console.log(Mike.sprintChallenge('whatever')); 
+console.log(Darrel.catchPhrase); 
+console.log(Darrel.specialty);
+console.log(Tracy.favLanguage);
+console.log(Tracy.demo('C'));
+console.log(Tracy.grade('Jeff', 'C++'));
+console.log(Cheryl.favInstructor); //?
+console.log(Cheryl.demo('thing')); 
+console.log(Cheryl.grade('Cheryl' ,'R')); //?
+console.log(David.gradClassName);
+console.log(David.standup('CS11'));
+console.log(David.debugsCode('Alan', 'HTML'));
+console.log(Mike.gradeAdjust());
+console.log(Todd.graduate());
+console.log(Darrel.gradeChange(70,80));
\ No newline at end of file
diff --git a/assignments/prototype-refactor.js b/assignments/prototype-refactor.js
index e55ae39c0..3551f30e5 100644
--- a/assignments/prototype-refactor.js
+++ b/assignments/prototype-refactor.js
@@ -2,39 +2,39 @@
 // Today your goal is to refactor all of this code to use ES6 Classes.
 // The console.log() statements should still return what is expected of them.
 
-function GameObject(options) {
+class GameObject {
+  constructor(options) {
   this.createdAt = options.createdAt;
   this.dimensions = options.dimensions;
 }
-
-GameObject.prototype.destroy = function() {
-  return `Object was removed from the game.`;
-};
-
-function CharacterStats(characterStatsOptions) {
-  GameObject.call(this, characterStatsOptions);
-  this.hp = characterStatsOptions.hp;
-  this.name = characterStatsOptions.name;
+  destroy() {
+   return `Object was removed from the game.`;
+}
+}
+  class CharacterStats extends GameObject {
+  constructor(characterStatsOptions) {
+  super(characterStatsOptions);
+  this.hp = characterStatsOptions.hp
+  this.name = characterStatsOptions.name
 }
 
-CharacterStats.prototype = Object.create(GameObject.prototype);
-
-CharacterStats.prototype.takeDamage = function() {
+takeDamage() {
   return `${this.name} took damage.`;
-};
-
-function Humanoid(humanoidOptions) {
-  CharacterStats.call(this, humanoidOptions);
-  this.faction = humanoidOptions.faction;
-  this.weapons = humanoidOptions.weapons;
-  this.language = humanoidOptions.language;
 }
+} 
 
-Humanoid.prototype = Object.create(CharacterStats.prototype);
+class Humanoid extends CharacterStats {
+  constructor(humanoidOptions) {
+    super(humanoidOptions);
+    this.faction = humanoidOptions.faction
+    this.weapons = humanoidOptions.weapons
+    this.language = humanoidOptions.language
+}
 
-Humanoid.prototype.greet = function() {
+  greet() {
   return `${this.name} offers a greeting in ${this.language}.`;
-};
+}
+}
 
 const mage = new Humanoid({
   createdAt: new Date(),