diff --git a/domainModel.md b/domainModel.md
new file mode 100644
index 00000000..2b638f6a
--- /dev/null
+++ b/domainModel.md
@@ -0,0 +1,72 @@
+### Leo Wahlandt Domain Model
+
+
+```
+1.
+As a member of the public,
+So I can order a bagel before work,
+I'd like to add a specific type of bagel to my basket.
+```
+
+| Classes | Member Variable          | Method                             | Scenario                                | Outcome |
+|---------|--------------------------|------------------------------------|-----------------------------------------|---------|
+| Basket  | ArrayList<String> basket | add(String bagelType)              | Add existing bagel into basket          | true    |
+|         |                          |                                    | Try to add non-existing bagel to basket | false   |
+|         |                          |                                    |                                         |         |
+
+```
+2.
+As a member of the public,
+So I can change my order,
+I'd like to remove a bagel from my basket.
+```
+| Classes | Member Variable          | Method                            | Scenario                                   | Outcome |
+|---------|--------------------------|-----------------------------------|--------------------------------------------|---------|
+| Basket  | ArrayList<String> basket | remove(String bagel)              | Remove existing bagel from basket          | true    |
+|         |                          |                                   | Try to remove non-existing bagel to basket | false   |
+|         |                          |                                   |                                            |         |
+
+
+
+
+```
+3.
+As a member of the public,
+So that I can not overfill my small bagel basket
+I'd like to know when my basket is full when I try adding an item beyond my basket capacity.
+```
+| Classes | Member Variable            | Method                  | Scenario                      | Outcome |
+|---------|----------------------------|-------------------------|-------------------------------|---------|
+| Basket  | ArrayList<String> basket   | checkBasketSize()       | if basket size is not reached | True    |
+|         |                            |                         | If basket size is reached     | false   |
+|         |                            |                         |                               |         |
+
+
+
+```
+4.
+As a Bob's Bagels manager,
+So that I can expand my business,
+I’d like to change the capacity of baskets.
+
+Manager has role number 0 for Admin
+```
+| Classes | Member Variable            | Method                                      | Scenario                             | Outcome |
+|---------|----------------------------|---------------------------------------------|--------------------------------------|---------|
+| Basket  | ArrayList<String> basket   | changeBasketSize(int memberId, int newSize) | Owner change basket size             | true    |
+|         |                            |                                             | If someone else tries to change size | false   |
+|         |                            |                                             |                                      |         |
+
+
+```
+5.
+As a member of the public
+So that I can maintain my sanity
+I'd like to know if I try to remove an item that doesn't exist in my basket.
+```
+
+| Classes | Member Variable           | Method                | Scenario                                    | Outcome                            |
+|---------|---------------------------|-----------------------|---------------------------------------------|------------------------------------|
+| Basket  | ArrayList<String> basket  | remove(String bagel)  | Try to remove non-existing bagel to basket  | "Cannot remove non-existing bagel" |
+|         |                           |                       |                                             |                                    |
+|         |                           |                       |                                             |                                    |
diff --git a/src/main/java/com/booleanuk/core/Basket.java b/src/main/java/com/booleanuk/core/Basket.java
index df7a20aa..5ce97e53 100644
--- a/src/main/java/com/booleanuk/core/Basket.java
+++ b/src/main/java/com/booleanuk/core/Basket.java
@@ -1,5 +1,48 @@
 package com.booleanuk.core;
 
+import java.sql.Array;
+import java.util.ArrayList;
+import java.util.HashMap;
+
 public class Basket {
+    ArrayList<String> basket;
+    int basketSize;
+
+    public Basket() {
+        this.basket = new ArrayList<>();
+        this.basketSize = 4;
+    }
+
+    public boolean add(String bagel) {
+        if(this.basket.size() < this.basketSize) {
+            basket.add(bagel);
+            return basket.contains(bagel);
+        }
+        else {
+            return false;
+        }
+
+    }
+
+    public boolean remove(String bagel) {
+        if(basket.contains(bagel)) {
+            basket.remove(bagel);
+            return true;
+        }
+        return false;
+    }
+
+    public boolean checkBasketSize() {
+        return basket.size() <= basketSize;
+    }
 
+    public boolean changeBasketSize(int memberId, int newSize) {
+        if(memberId == 0) {
+            this.basketSize = newSize;
+            return true;
+        }
+        else {
+            return false;
+        }
+    }
 }
diff --git a/src/test/java/com/booleanuk/core/BasketTest.java b/src/test/java/com/booleanuk/core/BasketTest.java
index e35771b3..b3e8ff74 100644
--- a/src/test/java/com/booleanuk/core/BasketTest.java
+++ b/src/test/java/com/booleanuk/core/BasketTest.java
@@ -5,4 +5,73 @@
 
 class BasketTest {
 
+    @Test
+    public void addBagelTest() {
+        Basket basket = new Basket();
+
+        Assertions.assertTrue(basket.add("Sesame"));
+    }
+
+    @Test
+    public void removeBagelTest() {
+        Basket basket = new Basket();
+        basket.add("Plain");
+        Assertions.assertTrue(basket.remove("Plain"));
+
+    }
+
+    @Test
+    public void checkBasketSize() {
+        Basket basket = new Basket();
+        Assertions.assertTrue(basket.checkBasketSize());
+    }
+
+    @Test
+    public  void addBagelToFullBasket() {
+        Basket basket = new Basket();
+        basket.add("Plain");
+        basket.add("Sesame");
+        basket.add("Mixed");
+        basket.add("Everything bagel");
+        Assertions.assertTrue(basket.checkBasketSize());
+
+        // Try to add basket when full
+        Assertions.assertFalse(basket.add("Plain"));
+    }
+
+    @Test
+    public void changeBasketSizeTest(){
+        Basket basket = new Basket();
+
+        Assertions.assertFalse(basket.changeBasketSize(1, 1));
+        Assertions.assertTrue(basket.changeBasketSize(0, 6));
+    }
+
+    @Test
+    public void changeBasketSizeWhenFullTest() {
+        Basket basket = new Basket();
+        basket.add("Sesame");
+        basket.add("Sesame");
+        basket.add("Sesame");
+        basket.add("Sesame");
+        Assertions.assertFalse(basket.add("Sesame"));
+
+
+        Assertions.assertTrue(basket.changeBasketSize(0, 6));
+        Assertions.assertTrue(basket.add("Plain"));
+        Assertions.assertTrue(basket.add("Plain"));
+        //Basket full
+        Assertions.assertFalse(basket.add("Plain"));
+        Assertions.assertFalse(basket.changeBasketSize(1, 7));
+        Assertions.assertFalse(basket.add("Plain"));
+    }
+//$ git commit -m "Checked so normal user cannot change basket size"
+    @Test
+    public void removeNonExistingBagelTest(){
+        Basket basket = new Basket();
+        basket.add("Sesame");
+        basket.add("Sesame");
+        Assertions.assertFalse(basket.remove("Plain"));
+    }
+
 }