diff --git a/classes/Auth.js b/classes/Auth.js
index e69de29..2a578cb 100644
--- a/classes/Auth.js
+++ b/classes/Auth.js
@@ -0,0 +1,26 @@
+const Customer = require("./Customer")
+
+class Auth {
+
+    constructor() {
+        this.customers = []
+    }
+
+    register(name, email, shippingAddress) {
+        const newCustomer = new Customer(name, email, shippingAddress)
+        this.customers.push(newCustomer)
+    }
+
+    login(email) {
+        for(let i = 0; i < this.customers.length; i++) {
+            if(this.customers[i].email === email) {
+                return this.customers[i]
+            }
+        }
+
+        return null;
+    }
+
+}
+
+module.exports = Auth
\ No newline at end of file
diff --git a/classes/Cart.js b/classes/Cart.js
index e69de29..e85c32b 100644
--- a/classes/Cart.js
+++ b/classes/Cart.js
@@ -0,0 +1,43 @@
+class Cart {
+
+    constructor() {
+        this.products = []
+        this.total = 0
+    }
+
+    addProduct(product) {
+        this.products.push(product);
+        this.total += product.price;
+    }
+
+    removeProduct(i) {
+        let price = this.products[i].price;
+        this.total -= price
+
+        this.products.splice(i, 1)
+    }
+
+    getTotal() {
+        return this.total
+    }
+
+    clear(){
+        let length = this.products.length;
+
+        this.products.splice(0, length)
+        this.total = 0
+        
+    }
+
+    removeItemByName(name) {
+        for (let i = 0; i < this.products.length; i++) {
+            let productName = this.products[i].name
+
+            if(productName === name) {
+                this.products.splice(i, 1)
+            }
+        }
+    }
+}
+
+module.exports = Cart
\ No newline at end of file
diff --git a/classes/Customer.js b/classes/Customer.js
index e69de29..3db4e9f 100644
--- a/classes/Customer.js
+++ b/classes/Customer.js
@@ -0,0 +1,28 @@
+class Customer {
+
+    constructor(name, email, shippingAddress) {
+        this.name = name
+        this.email = email
+        this.shippingAddress = shippingAddress
+        this.orderHistory = []
+        this.rewardPoints = 0
+    }
+
+    addToOrderHistory(cart) {
+        this.orderHistory.push(cart)
+    }
+
+    getRewardPoints() {
+        for(let i = 0; i < this.orderHistory.length; i++) {
+            let cartItems = this.orderHistory[i].products
+            
+            for(let j = 0; j < cartItems.length; j++) {
+                let productRewardPoints = cartItems[j].rewardPoints
+
+                this.rewardPoints += productRewardPoints
+            }
+        }
+    }
+}
+
+module.exports = Customer
\ No newline at end of file
diff --git a/classes/Product.js b/classes/Product.js
index e69de29..1b94050 100644
--- a/classes/Product.js
+++ b/classes/Product.js
@@ -0,0 +1,17 @@
+class Product {
+
+    constructor(name, price, description, rewardPoints) {
+        this.name = name
+        this.price = price
+        this.description = description
+        this.inStock = true
+        this.rewardPoints = rewardPoints
+    }
+
+    display() {
+        return (`Name: ${this.name}, Price: $${this.price}, Description: ${this.description}`)
+    }
+
+};
+
+module.exports = Product
\ No newline at end of file
diff --git a/index.js b/index.js
index efad601..379f260 100644
--- a/index.js
+++ b/index.js
@@ -1,10 +1,9 @@
 // Import Classes Here
 
-
-
-
-
-
+const Product = require('./classes/Product')
+const Cart = require('./classes/Cart')
+const Customer = require('./classes/Customer')
+const Auth = require('./classes/Auth')
 
 
 
diff --git a/package-lock.json b/package-lock.json
index 9b68881..5713249 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4717,7 +4717,8 @@
     "jest-pnp-resolver": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.3.tgz",
-      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w=="
+      "integrity": "sha512-+3NpwQEnRoIBtx4fyhblQDPgJI0H1IEIkX7ShLUjPGA7TtUTvI1oiKi3SR4oBR0hQhQR80l4WAe5RrXBwWMA8w==",
+      "requires": {}
     },
     "jest-regex-util": {
       "version": "29.4.3",