diff --git a/domain-model.md b/domain-model.md
new file mode 100644
index 00000000..3e0bfaa3
--- /dev/null
+++ b/domain-model.md
@@ -0,0 +1,18 @@
+
+
+| Classes  | Methods                 | Scenario                                                         | Outputs |
+|----------|-------------------------|------------------------------------------------------------------|---------|
+| `Basket` | `addBagel(String bagel` | `If the begal is not already in the basket`                      | `true`  |
+|          |                         | `If the bagel is already in the basket`                          | `false` |
+|          |                         | `If the basket is full`                                          | `false` |
+|          |                         |                                                                  |         |
+|          | `removeBagel()`         | `Removes the bagel from my basket if the bagel is in the basket` | `True`  |
+|          |                         | `Removes the bagel from my basket if the bagel is not in basket` | `False` |
+|          |                         |                                                                  |         |
+|          | `Basket(int capacity)`  | `Setting the capacity of the basket`                             | `int`   |
+|          |                         |                                                                  |         |
+|          | `CheckDuplicates`       | `If bagel is in already in the basket`                           | `True`  |
+|          |                         | `If basket is not in the basket`                                 | `False` |
+|          |                         |                                                                  |         |
+|          | `isFull()`              | `If the basket is full`                                          | `True`  |
+|          |                         | `If the basket is not full`                                      | `False` |
diff --git a/src/main/java/com/booleanuk/core/Basket.java b/src/main/java/com/booleanuk/core/Basket.java
index df7a20aa..d02687bd 100644
--- a/src/main/java/com/booleanuk/core/Basket.java
+++ b/src/main/java/com/booleanuk/core/Basket.java
@@ -1,5 +1,52 @@
 package com.booleanuk.core;
 
+import java.util.ArrayList;
+
 public class Basket {
+    private ArrayList<String> items;
+    private int capacity;
+
+
+    public Basket(int capacity) {
+        this.items = new ArrayList<>();
+        this.capacity = capacity;
+    }
+
+
+    public boolean isFull() {
+        return items.size() >=capacity;
+
+    }
+
+
+    public boolean addBagel(String bagel){
+        if (isFull()) {
+            return false;
+        }
+
+        if (items.contains(bagel)){
+            return false;
+        }
+
+        items.add(bagel);
+        return true;
+    }
+
+    public boolean removeBagel(String bagel){
+        if (items.contains(bagel)) {
+            items.remove(bagel);
+            return true;
+        }
+
+        return false;
+    }
+
+
+    public boolean checkDuplicates(String bagel) {
+        return items.contains(bagel);
+    }
+
 
 }
+
+
diff --git a/src/test/java/com/booleanuk/core/BasketTest.java b/src/test/java/com/booleanuk/core/BasketTest.java
index e35771b3..165f68b0 100644
--- a/src/test/java/com/booleanuk/core/BasketTest.java
+++ b/src/test/java/com/booleanuk/core/BasketTest.java
@@ -3,6 +3,54 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import java.util.ArrayList;
+
 class BasketTest {
 
+
+    @Test
+    public void testAddBagelToBasketIfNotFull(){
+        Basket basket = new Basket(10);
+        Assertions.assertTrue(basket.addBagel("Crispy Bagel"));
+    }
+
+
+
+    @Test
+    public void testAddBagelToBasketIfFull(){
+        Basket basket = new Basket(1);
+        basket.addBagel("Plain Bagel");
+        boolean result = basket.addBagel("Crispy Bagel");
+        Assertions.assertFalse(result);
+    }
+
+    @Test
+    public void testRemoveExistingBagelFromBasket() {
+        Basket basket = new Basket(5);
+        basket.addBagel("Plain Bagel");
+        basket.addBagel("Crispy Bagel");
+        boolean result = basket.removeBagel("Plain Bagel");
+        Assertions.assertTrue(result);
+
+    }
+
+    @Test
+    public void testRemoveNonExistingBagelFromBasket() {
+        Basket basket = new Basket(5);
+        basket.addBagel("Plain Bagel");
+        basket.addBagel("Crispy Bagel");
+        boolean result = basket.removeBagel("Cheese Bagel");
+        Assertions.assertFalse(result);
+
+    }
+
+    @Test
+    public void testShouldNotAddDuplicateBagel() {
+        Basket basket = new Basket(10);
+        basket.addBagel("Plain Bagel");
+        boolean result = basket.checkDuplicates("Plain Bagel");
+        Assertions.assertTrue(result);
+    }
+
+
 }