diff --git a/tienda_ilusion/don_confiao/static/js/add_line.js b/tienda_ilusion/don_confiao/static/js/add_line.js
new file mode 100644
index 0000000..aed4bec
--- /dev/null
+++ b/tienda_ilusion/don_confiao/static/js/add_line.js
@@ -0,0 +1,18 @@
+document.addEventListener('DOMContentLoaded', function(){
+  var button = document.getElementById('add_line');
+  var formContainer = document.getElementById('formset-container');
+  var totalForms = document.getElementById('id_form-TOTAL_FORMS');
+  button.addEventListener('click', function(){
+    // Clonar un formulario vacío
+    var newForm = formContainer.querySelector('.form-container').cloneNode(true);
+    // Obtener el número actual de formularios
+    var formCount = parseInt(totalForms.value);
+    // Actualizar los atributos de los nuevos campos del formulario
+    var regex = new RegExp('__prefix__', 'g');
+    newForm.innerHTML = newForm.innerHTML.replace(regex, formCount);
+    // Añadir el nuevo formulario al contenedor
+    formContainer.appendChild(newForm);
+    // Incrementar el total de formularios
+    totalForms.value = formCount + 1;
+  });
+});
diff --git a/tienda_ilusion/don_confiao/templates/don_confiao/purchase.html b/tienda_ilusion/don_confiao/templates/don_confiao/purchase.html
index 0d2c2f4..7f6c8d9 100644
--- a/tienda_ilusion/don_confiao/templates/don_confiao/purchase.html
+++ b/tienda_ilusion/don_confiao/templates/don_confiao/purchase.html
@@ -1,12 +1,19 @@
 <!doctype html>
+{% load static %}
 <form method="POST">
-    {% csrf_token %}
-        {{ sale_form}}
+  {% csrf_token %}
+  {{ sale_form}}
   {{ linea_formset.management_form }}
-  {% for form in linea_formset %}
-    <table style="border: solid 1px blue; margin: 10px">
-        {{ form.as_table }}
-    </table>
+  <div id="formset-container">
+    {% for form in linea_formset %}
+      <div class="form-container">
+        <table style="border: solid 1px blue; margin: 10px">
+          {{ form.as_table }}
+        </table>
+      </div>
     {% endfor %}
-    <br/><button name="form" type="submit" >Comprar</button>
+  </div>
+  <button id="add_line">Añadir Linea</button>
+  <br/><button name="form" type="submit" >Comprar</button>
+  <script src="{% static 'js/add_line.js' %}"></script>
 </form>