diff --git a/assignments/lambda-classes.js b/assignments/lambda-classes.js
index 71acfca0e..8b701c3b7 100644
--- a/assignments/lambda-classes.js
+++ b/assignments/lambda-classes.js
@@ -1 +1,117 @@
 // 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(){
+        return `Hello my name is ${this.name}, I am from ${this.location}.`;
+    }
+}
+
+class Instructor extends Person{
+    constructor(attributes){
+        super(attributes);
+        this.specialty = attributes.specialty;
+        this.favLanguage = attributes.favLanguage;
+        this.catchPhrase = attributes.catchPhrase;
+    }
+    demo(subject){
+        return `Today we are learning about ${subject}.`;
+    }
+    grade(student, subject){
+        return `${student.name} receives a perfect score on ${subject}.`
+    }
+    gradeAssignment(student){
+        student.grade += (Math.random() * (50 - (-50)) + (-50));
+        return `${student.name}'s grade is ${student.grade}.`;
+    }
+}
+
+class Student extends Person{
+    constructor(attributes){
+        super(attributes);
+        this.previousBackground = attributes.previousBackground;
+        this.className = attributes.className;
+        this.favSubjects = attributes.favSubjects;
+        this.grade = attributes.grade;
+    }
+    listSubjects(){
+        return this.favSubjects;
+    }
+    PRAssignment(subject){
+        return `${this.name} has submitted a PR for ${subject}.`;
+    }
+    sprintChallenge(subject){
+        return `${this.name} has begun spring challenge on ${subject}.`;  
+    }
+    graduate(instructor){
+        if(this.grade >= 70){
+            return `${this.name} has graduated.`;
+        }
+        else{
+            return instructor.gradeAssignment(this);
+        }
+    }
+}
+
+class ProjectManager extends Instructor{
+    constructor(attributes){
+        super(attributes);
+        this.gradClass = attributes.gradClass;
+        this.favInstructor = attributes.favInstructor;
+    }
+    standUp(channel){
+        return `${this.name} announces to ${channel}, @channel standy times!`;
+    }
+    debugsCode(student, subject){
+        return `${this.name} debugs ${student.name}'s code on ${subject}.`;
+    }
+}
+
+const fred = new Instructor({
+    name: 'Fred',
+    location: 'Bedrock',
+    age: 37,
+    gender: 'male',
+    favLanguage: 'JavaScript',
+    specialty: 'Front-end',
+    catchPhrase: `Don't forget the homies`
+  });
+
+const wilma = new Student({
+    name: 'Wilma',
+    location: 'Couchrock',
+    previousBackground: 'waitress',
+    className: 'CS132',
+    favSubjects: ['HTML', 'CSS', 'JavaScript'],
+    grade: 50
+});
+
+const pebbles = new ProjectManager({
+    name: 'Pebbles',
+    location: 'Bedstone',
+    gradClass: 'CS1',
+    favInstructor: 'Sean'
+});
+
+console.log(fred);
+console.log(wilma);
+console.log(pebbles);
+console.log(fred.speak());
+console.log(wilma.speak());
+console.log(pebbles.speak());
+console.log(fred.demo("Redux"));
+console.log(fred.grade(wilma, "JavaScript"));
+console.log(wilma.listSubjects());
+console.log(wilma.PRAssignment("Python"));
+console.log(wilma.sprintChallenge("Elm"));
+console.log(pebbles.demo("HTML"));
+console.log(pebbles.grade(wilma, "CSS"));
+console.log(pebbles.standUp("CS132"));
+console.log(pebbles.debugsCode(wilma, "JavaScript"));
+console.log(fred.gradeAssignment(wilma));
+console.log(wilma.graduate(fred));
\ No newline at end of file
diff --git a/assignments/prototype-refactor.js b/assignments/prototype-refactor.js
index e55ae39c0..026184411 100644
--- a/assignments/prototype-refactor.js
+++ b/assignments/prototype-refactor.js
@@ -2,40 +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) {
-  this.createdAt = options.createdAt;
-  this.dimensions = options.dimensions;
+class GameObject{
+  constructor(options){
+      this.createdAt = options.createdAt;
+      this.dimensions = options.dimensions;
+  }
+  destroy(){
+      return `${this.name} was removed from the game.`;
+  }
 }
 
-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;
+class CharacterStats extends GameObject{
+  constructor(characterStatsOptions){
+      super(characterStatsOptions);
+      this.hp = characterStatsOptions.hp;
+      this.name = characterStatsOptions.name;
+  }
+  takeDamage(){
+      return `${this.name} took damage.`;
+  }
 }
 
-CharacterStats.prototype = Object.create(GameObject.prototype);
-
-CharacterStats.prototype.takeDamage = function() {
-  return `${this.name} took damage.`;
-};
-
-function Humanoid(humanoidOptions) {
-  CharacterStats.call(this, humanoidOptions);
-  this.faction = humanoidOptions.faction;
-  this.weapons = humanoidOptions.weapons;
-  this.language = humanoidOptions.language;
+class Humanoid extends CharacterStats{
+  constructor(humanoidOptions){
+      super(humanoidOptions);
+      this.faction = humanoidOptions.faction;
+      this.weapons = humanoidOptions.weapons;
+      this.language = humanoidOptions.language;
+  }
+  greet(){
+      return `${this.name} offers a greeting in ${this.language}.`;
+  }
 }
 
-Humanoid.prototype = Object.create(CharacterStats.prototype);
-
-Humanoid.prototype.greet = function() {
-  return `${this.name} offers a greeting in ${this.language}.`;
-};
-
 const mage = new Humanoid({
   createdAt: new Date(),
   dimensions: {
@@ -87,4 +86,4 @@ console.log(mage.weapons); // Staff of Shamalama
 console.log(archer.language); // Elvish
 console.log(archer.greet()); // Lilith offers a greeting in Elvish.
 console.log(mage.takeDamage()); // Bruce took damage.
-console.log(swordsman.destroy()); // Sir Mustachio was removed from the game.
+console.log(swordsman.destroy()); // Sir Mustachio was removed from the game.
\ No newline at end of file