diff --git a/_config.php b/_config.php
index e69de29..cdd601c 100644
--- a/_config.php
+++ b/_config.php
@@ -0,0 +1,7 @@
+<?php
+
+// Set up TestModelAdmin
+Director::addRules(100, array(
+	'admin/test' => 'TestModelAdmin',
+));
+LeftAndMain::add_menu_item('test', 'Test ModelAdmin', 'admin/test', 'TestModelAdmin');
diff --git a/code/control/TestModelAdmin.php b/code/control/TestModelAdmin.php
new file mode 100644
index 0000000..1e4b067
--- /dev/null
+++ b/code/control/TestModelAdmin.php
@@ -0,0 +1,16 @@
+<?php
+
+class TestModelAdmin extends ModelAdmin {
+	protected static $managed_models = array(
+		"Client",
+		"Contact",
+		"Project",
+		"Developer",
+	);
+	
+	function Link() {
+		return 'admin/test';
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/code/model/Client.php b/code/model/Client.php
new file mode 100644
index 0000000..5088558
--- /dev/null
+++ b/code/model/Client.php
@@ -0,0 +1,15 @@
+<?php
+
+class Client extends DataObject {
+	static $db = array(
+		"Name" => "Varchar",
+	);
+	static $many_many = array(
+		"Contacts" => "Contact",
+	);
+	static $belongs_many_many = array(
+		"Projects" => "Project",
+	);
+}
+
+?>
\ No newline at end of file
diff --git a/code/model/Contact.php b/code/model/Contact.php
new file mode 100644
index 0000000..a9a01d5
--- /dev/null
+++ b/code/model/Contact.php
@@ -0,0 +1,14 @@
+<?php
+
+class Contact extends DataObject {
+	static $db = array(
+		"FirstName" => "Varchar",
+		"Surname" => "Varchar",
+		"Email" => "Varchar",
+	);
+	static $belongs_many_many = array(
+		"Clients" => "Client",
+	);
+}
+
+?>
\ No newline at end of file
diff --git a/code/model/Developer.php b/code/model/Developer.php
new file mode 100644
index 0000000..905242e
--- /dev/null
+++ b/code/model/Developer.php
@@ -0,0 +1,15 @@
+<?php
+
+class Developer extends DataObject {
+	static $db = array(
+		"FirstName" => "Varchar",
+		"Surname" => "Varchar",
+		"Email" => "Varchar",
+		"Username" => "Varchar",
+	);
+	static $belongs_many_many = array(
+		"Projects" => "Project",
+	);
+}
+
+?>
\ No newline at end of file
diff --git a/code/model/Project.php b/code/model/Project.php
new file mode 100644
index 0000000..f8a36fe
--- /dev/null
+++ b/code/model/Project.php
@@ -0,0 +1,13 @@
+<?php
+
+class Project extends DataObject {
+	static $db = array(
+		"Name" => "Varchar",
+	);
+	static $many_many = array(
+		"Clients" => "Client",
+		"Developers" => "Developer",
+	);
+}
+
+?>
\ No newline at end of file