diff --git a/django/didgeridoo/webshop/forms.py b/django/didgeridoo/webshop/forms.py
index 5e431a9..680f7a8 100644
--- a/django/didgeridoo/webshop/forms.py
+++ b/django/didgeridoo/webshop/forms.py
@@ -8,7 +8,7 @@ class RegistrationForm(forms.Form):
     first_name = forms.CharField()
     last_name = forms.CharField()
     street_name = forms.CharField()
-    street_number = forms.CharField()
+    street_number = forms.CharField(max_length=4)
     zip_code = forms.IntegerField(min_value=1000, max_value=9999)
     city = forms.CharField()
 
@@ -51,3 +51,10 @@ class PictureForm(forms.ModelForm):
     class Meta:
         model = Picture
         fields = ['name', 'article', 'image']
+
+
+class AddToCartForm(forms.Form):
+    amount = forms.IntegerField(
+        label='Amount in piece.',
+        help_text="Enter a Value between 1 and 99.",
+        initial=1)
diff --git a/django/didgeridoo/webshop/models.py b/django/didgeridoo/webshop/models.py
index a17e7dc..a17cb65 100644
--- a/django/didgeridoo/webshop/models.py
+++ b/django/didgeridoo/webshop/models.py
@@ -3,6 +3,7 @@ from django.core.validators import MinValueValidator
 from django.db import models
 from django.contrib.auth.models import User
 from django.utils import timezone
+from currencies.models import ExchangeRate
 
 
 class Option(models.Model):
@@ -22,7 +23,6 @@ class ArticleStatus(models.Model):
         return self.name
 
 
-# Create your models here.
 class Category(models.Model):
     name = models.CharField(max_length=200, unique=True)
     parent_category = models.ForeignKey('self', null=True, blank=True)
@@ -50,6 +50,7 @@ class Article(models.Model):
 
 
 class OrderStatus(models.Model):
+    """ Warehouse Items have Status like ordered or out of Stock """
     name = models.CharField(max_length=200, unique=True)
 
     def __str__(self):
@@ -57,6 +58,7 @@ class OrderStatus(models.Model):
 
 
 class OrderOfGoods(models.Model):
+    """ Warehouse operations """
     article = models.ForeignKey(Article)
     amount = models.FloatField(max_length=5)
     delivery_date = models.DateField()
@@ -68,6 +70,7 @@ class OrderOfGoods(models.Model):
 
 
 class Picture(models.Model):
+    """ Pictures in relationship to Articles """
     name = models.CharField(max_length=200)
     article = models.ForeignKey(Article)
     image = models.ImageField(upload_to="images")
@@ -77,13 +80,15 @@ class Picture(models.Model):
 
 
 class Order(models.Model):
+    """ Submitted Orders """
     user = models.ForeignKey(User, on_delete=models.CASCADE)
-    article = models.ManyToManyField(Article, through='OrderPosition')
     status = models.ForeignKey(OrderStatus)
     date = models.DateTimeField(default=timezone.now)
+    exchange_rate = models.ForeignKey(ExchangeRate)
 
 
 class OrderPosition(models.Model):
+    """ Items in Submitted Orders"""
     article = models.ForeignKey(Article, on_delete=models.CASCADE)
     order = models.ForeignKey(Order, on_delete=models.CASCADE)
     amount = models.FloatField(max_length=5)
@@ -94,14 +99,21 @@ class OrderPosition(models.Model):
 
 
 class ShoppingCart(models.Model):
-    name = models.CharField(max_length=200)
+    """ Cart to User Relationships """
+    name = models.CharField(max_length=200, null=True)
     user = models.ForeignKey(User, on_delete=models.CASCADE)
-    article = models.ManyToManyField(Article)
 
     def __str__(self):
         return self.name
 
 
+class CartPosition(models.Model):
+    """ Items in Cart """
+    article = models.ForeignKey(Article, on_delete=models.CASCADE)
+    amount = models.FloatField(max_length=5)
+    cart = models.ForeignKey(ShoppingCart, on_delete=models.CASCADE)
+
+
 class City(models.Model):
     name = models.CharField(max_length=200)
     zip_code = models.PositiveSmallIntegerField()
diff --git a/django/didgeridoo/webshop/templates/webshop/article_details.html b/django/didgeridoo/webshop/templates/webshop/article_details.html
index 8703063..a16a642 100644
--- a/django/didgeridoo/webshop/templates/webshop/article_details.html
+++ b/django/didgeridoo/webshop/templates/webshop/article_details.html
@@ -6,6 +6,15 @@
     <p><b>Stock:</b> {{ article.stock }}</p>
     <p><b>Status:</b> {{ article.status }}</p>
     <p><b>Price:</b> {{ article.price_in_chf }} {{ currency_name }}</p>
+    {% if user.is_authenticated %}
+      <form id="amount" action="" method="POST" novalidate>
+        {{ amount.as_p }}
+        <input type="submit" value="Add to Cart" />
+        {% csrf_token %}
+      </form>
+    {% else %}
+      <p> please login to fill your basket...</p>
+    {% endif %}
     {% for picture in picture_list %}
         <p><img src="{{ MEDIA_URL }}{{ picture.image }}" width="200" /></p>
     {% endfor %}
diff --git a/django/didgeridoo/webshop/templates/webshop/cart.html b/django/didgeridoo/webshop/templates/webshop/cart.html
new file mode 100644
index 0000000..637d524
--- /dev/null
+++ b/django/didgeridoo/webshop/templates/webshop/cart.html
@@ -0,0 +1,32 @@
+{% extends "webshop/base.html" %}
+{% block section_title %}<h1>Cart</h1>{% endblock %}
+{% block content %}
+    <h3>List of Items in your Shopping Cart:</h3>
+    {% if articles_list %}
+      <table class="table">
+        <tr class="table_header">
+          <th scope="col">ID</th>
+          <th scope="col">NAME</th>
+          <th scope="col">STOCK</th>
+          <th scope="col">AMOUNT</th>
+          <th scope="col">PRICE</th>
+        </tr>
+        {% for article in articles_list %}
+          <tr class="table_content">
+            <td scope="col">{{ article.id }}</td>
+            <td scope="col">
+              <a href="{% url 'details' article.id %}">
+                {{ article.article.name }}
+              </a></td>
+            <td scope="col">{{ article.article.stock }}</td>
+            <td scope="col">{{ article.amount }}</td>
+            <td scope="col">{{ article.article.price_in_chf }} {{ currency_name }}</td>
+          </tr>
+        {% endfor %}
+      </table>
+    {% else %}
+      <p class="alert">
+        There are currently no articles in your cart.
+      </p>
+    {% endif %}
+{% endblock %}
diff --git a/django/didgeridoo/webshop/templates/webshop/nav.html b/django/didgeridoo/webshop/templates/webshop/nav.html
index 9b01f06..f65151f 100644
--- a/django/didgeridoo/webshop/templates/webshop/nav.html
+++ b/django/didgeridoo/webshop/templates/webshop/nav.html
@@ -6,26 +6,18 @@
         HOME
       </a>
       <ul class="nav navbar-nav">
-        <li><a href="#">CART</a></li>
         {% if user.is_authenticated %}
-        <li>
-          <a href="{% url 'profile' %}">PROFILE</a>
-        </li>
-        <li>
-          <a href="{% url 'logout' %}">LOGOUT</a>
-        </li>
+        <li><a href="{% url 'cart' %}">CART</a></li>
+        <li><a href="{% url 'profile' %}">PROFILE</a></li>
+        <li><a href="{% url 'logout' %}">LOGOUT</a></li>
         {% else %}
-        <li>
-          <a href="{% url 'login' %}">LOGIN</a>
-        </li>
+        <li><a href="{% url 'login' %}">LOGIN</a></li>
         {% endif %}
-        <li>
+        <li class="dropdown">
             {% if article_view %}
-          <form id="currency" name="currency" action="" method="POST" novalidate>
+          <form id="currency" action="" method="POST" novalidate>
             {{ currencies_form.as_ul }}
-            <li>
-              <input type="submit" value="Select">
-            </li>
+            <li><input type="submit" value="Select"></li>
           {% csrf_token %}
           </form>
           {% endif %}
diff --git a/django/didgeridoo/webshop/urls.py b/django/didgeridoo/webshop/urls.py
index 5a4685e..e59619a 100644
--- a/django/didgeridoo/webshop/urls.py
+++ b/django/didgeridoo/webshop/urls.py
@@ -17,4 +17,7 @@ urlpatterns = [
     url(r'^registration/$',
         views.registration,
         name='registration'),
+    url(r'^cart/$',
+        views.cart,
+        name='cart'),
 ]
diff --git a/django/didgeridoo/webshop/views.py b/django/didgeridoo/webshop/views.py
index 84ab9e4..32fab77 100644
--- a/django/didgeridoo/webshop/views.py
+++ b/django/didgeridoo/webshop/views.py
@@ -4,8 +4,8 @@ from django.contrib.auth.decorators import login_required
 from django.contrib.auth.models import User
 from django.contrib.auth.forms import UserCreationForm
 from webshop.models import (Article, Category, ArticleStatus, Person,
-                            City, Picture)
-from webshop.forms import RegistrationForm
+                            City, Picture, CartPosition, ShoppingCart)
+from webshop.forms import RegistrationForm, AddToCartForm
 
 from currencies.models import ExchangeRate, ExchangeRate_name
 from currencies.forms import CurrenciesForm
@@ -33,7 +33,7 @@ def index(request):
     articles = Article.objects.all().exclude(status=get_hidden_status_id())
     articles_list = list(articles)
     currencies_form = CurrenciesForm
-    rate=ExchangeRate
+    rate = ExchangeRate
     article_view = True
     currency_name = "CHF"
 
@@ -47,24 +47,26 @@ def index(request):
             if cf['currencies']:
                 selection = cf['currencies']
                 request.session['currency'] = selection.id
-                currency_name=ExchangeRate_name.objects.get(id=selection.id)
+                currency_name = ExchangeRate_name.objects.get(id=selection.id)
             else:
                 request.session['currency'] = None
 
     if request.session['currency']:
         currency = request.session['currency']
         for idx, article in enumerate(articles_list):
-            article.price_in_chf = rate.exchange(currency, article.price_in_chf)
+            article.price_in_chf = rate.exchange(
+                currency, article.price_in_chf
+                )
             articles_list[idx] = article
-            currency_name=ExchangeRate_name.objects.get(id=currency)
+            currency_name = ExchangeRate_name.objects.get(id=currency)
 
     return render(request,
-                'webshop/index.html',
-                {'category_list': category_list,
-                 'articles_list': articles_list,
-                 'currencies_form': currencies_form,
-                 'article_view': article_view,
-                 'currency_name': currency_name})
+                  'webshop/index.html',
+                  {'category_list': category_list,
+                   'articles_list': articles_list,
+                   'currencies_form': currencies_form,
+                   'article_view': article_view,
+                   'currency_name': currency_name})
 
 
 def articles_in_category(request, category_id):
@@ -74,7 +76,7 @@ def articles_in_category(request, category_id):
         category=selected_category.id).exclude(status=get_hidden_status_id())
     articles_list = list(articles)
     currencies_form = CurrenciesForm
-    rate=ExchangeRate
+    rate = ExchangeRate
     article_view = True
     currency_name = "CHF"
 
@@ -88,16 +90,17 @@ def articles_in_category(request, category_id):
             if cf['currencies']:
                 selection = cf['currencies']
                 request.session['currency'] = selection.id
-                currency_name=ExchangeRate_name.objects.get(id=selection.id)
+                currency_name = ExchangeRate_name.objects.get(id=selection.id)
             else:
                 request.session['currency'] = None
 
     if request.session['currency']:
         currency = request.session['currency']
         for idx, article in enumerate(articles_list):
-            article.price_in_chf = rate.exchange(currency, article.price_in_chf)
+            article.price_in_chf = rate.exchange(
+                currency, article.price_in_chf)
             articles_list[idx] = article
-            currency_name=ExchangeRate_name.objects.get(id=currency)
+            currency_name = ExchangeRate_name.objects.get(id=currency)
 
     return render(request, 'webshop/category.html',
                   {'articles_list': articles_list,
@@ -111,7 +114,8 @@ def articles_in_category(request, category_id):
 def article_details(request, article_id):
     category_list = get_categories()
     currencies_form = CurrenciesForm
-    rate=ExchangeRate
+    amount = AddToCartForm
+    rate = ExchangeRate
     article_view = True
     currency_name = "CHF"
 
@@ -122,20 +126,53 @@ def article_details(request, article_id):
     picture_list = Picture.objects.filter(article=article_id)
 
     if request.method == 'POST':
-        currencies_form = CurrenciesForm(request.POST)
-        if currencies_form.is_valid():
-            cf = currencies_form.cleaned_data
-            if cf['currencies']:
-                selection = cf['currencies']
-                request.session['currency'] = selection.id
-                currency_name=ExchangeRate_name.objects.get(id=selection.id)
-            else:
-                request.session['currency'] = None
+        print(request.POST)
+        # hier wird das Currency dropdown bearbeitet:
+        if 'currencies' in request.POST:
+            currencies_form = CurrenciesForm(request.POST)
+            print("currencies_form")
+            if currencies_form.is_valid():
+                cf = currencies_form.cleaned_data
+                if cf['currencies']:
+                    selection = cf['currencies']
+                    request.session['currency'] = selection.id
+                    currency_name = ExchangeRate_name.objects.get(
+                        id=selection.id)
+                else:
+                    request.session['currency'] = None
+
+        # hier wird der Artikel in den Wahrenkorb transferiert:
+        if 'amount' in request.POST:
+            amount = AddToCartForm(request.POST)
+            print("add_to_cart_form")
+            if amount.is_valid():
+                print("is valid")
+                amount = amount.cleaned_data['amount']
+                currency_id = request.session['currency']
+                print("amount:", amount,
+                      "article_id:", article_id,
+                      "currency_id:", currency_id)
+                article = Article.objects.get(id=article_id)
+                try:
+                    cart_id = ShoppingCart.objects.get(user=request.user)
+                except:
+                    cart_id = ShoppingCart.objects.create(user=request.user)
+                    cart_id.save()
+                if cart_id:
+                    cart_position = CartPosition.objects.create(
+                        article=article,
+                        amount=amount,
+                        cart=ShoppingCart.objects.get(user=request.user)
+                        )
+                    cart_position.save()
+                amount = AddToCartForm()
+        else:
+            amount = AddToCartForm()
 
     if request.session['currency']:
         currency = request.session['currency']
         article.price_in_chf = rate.exchange(currency, article.price_in_chf)
-        currency_name=ExchangeRate_name.objects.get(id=currency)
+        currency_name = ExchangeRate_name.objects.get(id=currency)
 
     return render(request, 'webshop/article_details.html',
                   {'article': article,
@@ -143,7 +180,10 @@ def article_details(request, article_id):
                    'currencies_form': currencies_form,
                    'article_view': article_view,
                    'currency_name': currency_name,
-                   'picture_list': picture_list})
+                   'picture_list': picture_list,
+                   'amount': amount
+                   })
+
 
 @login_required
 def profile(request):
@@ -183,3 +223,55 @@ def registration(request):
                   {'profile_form': profile_form,
                    'category_list': category_list,
                    'user_form': user_form})
+
+
+def cart(request):
+    category_list = get_categories()
+    currencies_form = CurrenciesForm
+    rate = ExchangeRate
+    article_view = True
+    currency_name = "CHF"
+    message = ""
+    cart_id = False
+    articles_list = ""
+
+    if not 'currency' in request.session:
+        request.session['currency'] = None
+
+    if request.method == 'POST':
+        currencies_form = CurrenciesForm(request.POST)
+        if currencies_form.is_valid():
+            cf = currencies_form.cleaned_data
+            if cf['currencies']:
+                selection = cf['currencies']
+                request.session['currency'] = selection.id
+                currency_name = ExchangeRate_name.objects.get(id=selection.id)
+            else:
+                request.session['currency'] = None
+
+    try:
+        cart_id = ShoppingCart.objects.get(user=request.user)
+    except Exception as e:
+        message = "You have no items in the Basket"
+    if cart_id and request.session['currency']:
+        articles = CartPosition.objects.filter(cart=cart_id)
+        articles_list = list(articles)
+        currency = request.session['currency']
+        for idx, article in enumerate(articles_list):
+            article.price_in_chf = rate.exchange(
+                currency, article.article.price_in_chf)
+            articles_list[idx] = article
+            currency_name = ExchangeRate_name.objects.get(id=currency)
+            article.price_in_chf = rate.exchange(currency, article.price_in_chf)
+    else:
+        articles = CartPosition.objects.filter(cart=cart_id)
+        articles_list = list(articles)
+
+    return render(request, 'webshop/cart.html',
+                  {'articles_list': articles_list,
+                   'currencies_form': currencies_form,
+                   'article_view': article_view,
+                   'currency_name': currency_name,
+                   'category_list': category_list,
+                   'message': message,
+                   })
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diff --git a/docs/diagrammes/180102_erd.png b/docs/diagrammes/180102_erd.png
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