diff --git a/assignments/lambda-classes.js b/assignments/lambda-classes.js
index 71acfca0e..f925cfb23 100644
--- a/assignments/lambda-classes.js
+++ b/assignments/lambda-classes.js
@@ -1 +1,144 @@
-// CODE here for your Lambda Classes
+//Classes:
+
+class Person{
+    constructor(attributes){
+    this.name = attributes.name,
+    this.age = attributes.age,
+    this.location = attributes.location
+    }
+    speak(){
+        return `Hello, my name is ${this.name}, I am from ${this.location}.`;
+    }
+}
+
+
+
+class Instructor extends Person{
+    constructor(InstructorAttributes){
+    super(InstructorAttributes);
+    this.specialty = InstructorAttributes.specialty,
+    this.favLanguage = InstructorAttributes.favLanguage,
+    this.catchPhrase = InstructorAttributes.catchPhrase
+    }
+    demo(subject){
+        return `Today we are learning about ${subject}.`
+    }
+    grade(student, subject){
+        return `${student.name} receives a perfect score on ${subject}!`;
+    }
+
+}
+
+
+
+class Student extends Instructor{
+    constructor(StudentAttributes){
+    super(StudentAttributes);   
+    this.previousBackground = StudentAttributes.previousBackground,
+    this.className = StudentAttributes.className,
+    this.favSubjects = StudentAttributes.favSubjects
+    }
+    listsSubjects(){
+        return `${this.favSubjects}`
+    }
+    PRAssignment(student, subject){
+        return `${student.name} has submitted a PR for ${subject}`;
+    }
+}
+
+
+
+class ProjectManager extends Student{
+    constructor(ProjectManagerAttributes){
+    super(ProjectManagerAttributes);
+    this.gradClassName = ProjectManagerAttributes.gradClassName,
+    this.favInstructor = ProjectManagerAttributes.favInstructor
+    }   
+    standUp(channel){
+       return `${this.name} announces to ${channel}, @channel stand times!​​​​​`;
+    }
+    debugsCode(student, subject ){
+        return `${this.name} debugs ${student.name}'s code on ${subject}`;
+    }
+
+}
+
+//______________________________________________________________________
+//instructors:
+
+const Jerry = new Instructor({
+    name: 'Jerry',
+    location: 'Utah',
+    age: 42,
+    favLanguage: 'Java',
+    specialty: 'Computer Science Theory',
+    catchPhrase: `Love the whales`
+    });
+
+const Aya = new Instructor({
+    name: 'Aya',
+    location: 'Wisconsin',
+    age: 48,
+    favLanguage: 'C++',
+    specialty: 'DevOps',
+    catchPhrase: `I like cats`
+    });
+
+//______________________________________________________________________
+//students:
+
+
+const Jon = new Student({
+    name: 'Jon',
+    location: 'Idaho',
+    age: 36,
+    previousBackground: `cook`,
+    className: `CS122`,
+    favSubjects: `front-end`
+    });
+
+const Jeremy = new Student({
+    name: 'Jeremy',
+    location: 'UK',
+    age: 22,
+    previousBackground: `college student`,
+    className: `CS125`,
+    favSubjects: `back-end`
+    });
+    
+//______________________________________________________________________
+//projectManagers:
+
+const Kate = new ProjectManager({
+    name: 'Kate',
+    location: 'New Zealand',
+    age: 53,
+    gradClassName: 'Web1',
+    favInstructor: 'Aya'
+    });
+    
+const Kerin = new ProjectManager({
+    name: 'Kerin',
+    location: 'Japan',
+    age: 37,
+    gradClassName: 'IOS12',
+    favInstructor: 'Jerry'
+    });
+
+
+//______________________________________________________________________
+//console.logs for instructors:
+
+console.log(Jerry.speak());
+console.log(Jerry.demo('math'));
+console.log(Aya.speak());
+console.log(Aya.demo('science'));
+console.log(Jerry.grade(Jon, 'Computer Science'))
+//______________________________________________________________________
+//console.logs for students:
+
+console.log(Jon.)
+
+
+//______________________________________________________________________
+//console.logs for projectManagers:
\ No newline at end of file
diff --git a/assignments/prototype-refactor.js b/assignments/prototype-refactor.js
index 91424c9fa..cb9d12c56 100644
--- a/assignments/prototype-refactor.js
+++ b/assignments/prototype-refactor.js
@@ -6,4 +6,137 @@ Prototype Refactor
 
 2. 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.
 
+/*
+=== GameObject ===
+* createdAt
+* name
+* dimensions (These represent the character's size in the video game)
+* destroy() // prototype method that returns: `${this.name} was removed from the game.`
 */
+
+class GameObject{
+    constructor(attributes){
+this.createdAt = attributes.createdAt,
+this.name =  attributes.name,
+this.dimensions = attributes.dimensions
+    }
+
+    destroy() {
+    return `${this.name} was removed from the game`
+    }
+}
+
+
+
+/*
+=== CharacterStats ===
+* healthPoints
+* takeDamage() // prototype method -> returns the string '<object name> took damage.'
+* should inherit destroy() from GameObject's prototype
+*/
+class CharacterStats extends GameObject{
+    constructor(childAttributes){
+    super(childAttributes);
+    this.healthPoints = childAttributes.healthPoints
+    }
+    takeDamage(_destroy) {
+    return `${this.name} took damage.`
+    };
+}
+
+/*
+=== Humanoid (Having an appearance or character resembling that of a human.) ===
+* team
+* weapons
+* language
+* greet() // prototype method -> returns the string '<object name> offers a greeting in <object language>.'
+* should inherit destroy() from GameObject through CharacterStats
+* should inherit takeDamage() from CharacterStats
+*/
+
+class Humanoid extends CharacterStats {
+    constructor(grandChildAttributes) {
+    super(grandChildAttributes);
+    this.team = grandChildAttributes.team,
+    this.weapons = grandChildAttributes.weapons,
+    this.language = grandChildAttributes.language
+    }
+    greet(_destroy, _takeDamage) {
+    return `${this.name} offers a greeting in ${this.language}.`
+    };
+}
+
+
+
+
+
+/*
+* Inheritance chain: GameObject -> CharacterStats -> Humanoid
+* Instances of Humanoid should have all of the same properties as CharacterStats and GameObject.
+* Instances of CharacterStats should have all of the same properties as GameObject.
+*/
+
+// Test you work by un-commenting these 3 objects and the list of console logs below:
+
+
+const mage = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 2,
+    width: 1,
+    height: 1,
+  },
+  healthPoints: 5,
+  name: 'Bruce',
+  team: 'Mage Guild',
+  weapons: [
+    'Staff of Shamalama',
+  ],
+  language: 'Common Tongue',
+});
+
+const swordsman = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 2,
+    width: 2,
+    height: 2,
+  },
+  healthPoints: 15,
+  name: 'Sir Mustachio',
+  team: 'The Round Table',
+  weapons: [
+    'Giant Sword',
+    'Shield',
+  ],
+  language: 'Common Tongue',
+});
+
+const archer = new Humanoid({
+  createdAt: new Date(),
+  dimensions: {
+    length: 1,
+    width: 2,
+    height: 4,
+  },
+  healthPoints: 10,
+  name: 'Lilith',
+  team: 'Forest Kingdom',
+  weapons: [
+    'Bow',
+    'Dagger',
+  ],
+  language: 'Elvish',
+});
+
+console.log(mage.createdAt); // Today's date
+console.log(archer.dimensions); // { length: 1, width: 2, height: 4 }
+console.log(swordsman.healthPoints); // 15
+console.log(mage.name); // Bruce
+console.log(swordsman.team); // The Round Table
+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.
+