diff --git a/tools/sandbox/bootstrap.php b/tools/sandbox/bootstrap.php
new file mode 100644
index 000000000..5b97b9412
--- /dev/null
+++ b/tools/sandbox/bootstrap.php
@@ -0,0 +1,41 @@
+<?php
+
+use Doctrine\Common\Cache;
+use Doctrine\ORM\EntityManager;
+
+// Path to composer autoloader. You can use different provided by your favorite framework,
+// if you want to.
+$loaderPath = __DIR__ . '/../../vendor/autoload.php';
+if(!is_readable($loaderPath)){
+    throw new LogicException('Run php composer.phar install at first');
+}
+$loader = require $loaderPath;
+
+// Set up class loading.
+$loader->add('Entities', __DIR__);
+$loader->add('Proxies', __DIR__);
+
+$debug = true;
+$config = new \Doctrine\ORM\Configuration();
+
+// Set up Metadata Drivers
+$driverImpl = $config->newDefaultAnnotationDriver(array(__DIR__ . "/Entities"));
+$config->setMetadataDriverImpl($driverImpl);
+
+// Set up caches, depending on $debug variable.
+// You can use another variable to define which one of the cache systems you gonna use.
+$cache = $debug ? new Cache\ArrayCache : new Cache\ApcCache;
+$config->setMetadataCacheImpl($cache);
+$config->setQueryCacheImpl($cache);
+
+// Proxy configuration
+$config->setProxyDir(__DIR__ . '/Proxies');
+$config->setProxyNamespace('Proxies');
+
+// Database connection information
+$connectionOptions = array(
+    'driver' => 'pdo_sqlite',
+    'path'   => 'database.sqlite'
+);
+
+return EntityManager::create($connectionOptions, $config);
\ No newline at end of file
diff --git a/tools/sandbox/cli-config.php b/tools/sandbox/cli-config.php
deleted file mode 100644
index 2a34fd89b..000000000
--- a/tools/sandbox/cli-config.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-require_once '../../lib/vendor/doctrine-common/lib/Doctrine/Common/ClassLoader.php';
-
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\ORM', realpath(__DIR__ . '/../../lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\DBAL', realpath(__DIR__ . '/../../lib/vendor/doctrine-dbal/lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\Common', realpath(__DIR__ . '/../../lib/vendor/doctrine-common/lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Symfony', realpath(__DIR__ . '/../../lib/vendor'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Entities', __DIR__);
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Proxies', __DIR__);
-$classLoader->register();
-
-$config = new \Doctrine\ORM\Configuration();
-$config->setMetadataCacheImpl(new \Doctrine\Common\Cache\ArrayCache);
-$driverImpl = $config->newDefaultAnnotationDriver(array(__DIR__."/Entities"));
-$config->setMetadataDriverImpl($driverImpl);
-
-$config->setProxyDir(__DIR__ . '/Proxies');
-$config->setProxyNamespace('Proxies');
-
-$connectionOptions = array(
-    'driver' => 'pdo_sqlite',
-    'path' => 'database.sqlite'
-);
-
-$em = \Doctrine\ORM\EntityManager::create($connectionOptions, $config);
-
-$helpers = new Symfony\Component\Console\Helper\HelperSet(array(
-    'db' => new \Doctrine\DBAL\Tools\Console\Helper\ConnectionHelper($em->getConnection()),
-    'em' => new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper($em)
-));
\ No newline at end of file
diff --git a/tools/sandbox/doctrine.php b/tools/sandbox/doctrine.php
index 9060e6f7b..6cadae0d4 100644
--- a/tools/sandbox/doctrine.php
+++ b/tools/sandbox/doctrine.php
@@ -1,27 +1,14 @@
 <?php
 
-require_once '../../lib/vendor/doctrine-common/lib/Doctrine/Common/ClassLoader.php';
-
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\ORM', realpath(__DIR__ . '/../../lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\DBAL', realpath(__DIR__ . '/../../lib/vendor/doctrine-dbal/lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Doctrine\Common', realpath(__DIR__ . '/../../lib/vendor/doctrine-common/lib'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Symfony', realpath(__DIR__ . '/../../lib/vendor'));
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Entities', __DIR__);
-$classLoader->register();
-$classLoader = new \Doctrine\Common\ClassLoader('Proxies', __DIR__);
-$classLoader->register();
-
-require __DIR__ . '/cli-config.php';
+$em = require_once __DIR__.'/bootstrap.php';
 
 $cli = new \Symfony\Component\Console\Application('Doctrine Command Line Interface', Doctrine\Common\Version::VERSION);
 $cli->setCatchExceptions(true);
 
-// Variable $helpers is defined inside cli-config.php
-$cli->setHelperSet($helpers);
+$cli->setHelperSet(new Symfony\Component\Console\Helper\HelperSet(array(
+    'db' => new \Doctrine\DBAL\Tools\Console\Helper\ConnectionHelper($em->getConnection()),
+    'em' => new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper($em)
+)));
 
 $cli->addCommands(array(
     // DBAL Commands
diff --git a/tools/sandbox/index.php b/tools/sandbox/index.php
index ad1cb9d6b..f866aeada 100644
--- a/tools/sandbox/index.php
+++ b/tools/sandbox/index.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * Welcome to Doctrine 2.
- * 
+ *
  * This is the index file of the sandbox. The first section of this file
  * demonstrates the bootstrapping and configuration procedure of Doctrine 2.
  * Below that section you can place your test code and experiment.
@@ -9,50 +9,10 @@
 
 namespace Sandbox;
 
-use Doctrine\Common\ClassLoader,
-    Doctrine\ORM\Configuration,
-    Doctrine\ORM\EntityManager,
-    Doctrine\Common\Cache\ApcCache,
-    Entities\User, Entities\Address;
+use Entities\Address;
+use Entities\User;
 
-require_once '../../lib/vendor/doctrine-common/lib/Doctrine/Common/ClassLoader.php';
-
-// Set up class loading. You could use different autoloaders, provided by your favorite framework,
-// if you want to.
-$classLoader = new ClassLoader('Doctrine\ORM', realpath(__DIR__ . '/../../lib'));
-$classLoader->register();
-$classLoader = new ClassLoader('Doctrine\DBAL', realpath(__DIR__ . '/../../lib/vendor/doctrine-dbal/lib'));
-$classLoader->register();
-$classLoader = new ClassLoader('Doctrine\Common', realpath(__DIR__ . '/../../lib/vendor/doctrine-common/lib'));
-$classLoader->register();
-$classLoader = new ClassLoader('Symfony', realpath(__DIR__ . '/../../lib/vendor'));
-$classLoader->register();
-$classLoader = new ClassLoader('Entities', __DIR__);
-$classLoader->register();
-$classLoader = new ClassLoader('Proxies', __DIR__);
-$classLoader->register();
-
-// Set up caches
-$config = new Configuration;
-$cache = new ApcCache;
-$config->setMetadataCacheImpl($cache);
-$driverImpl = $config->newDefaultAnnotationDriver(array(__DIR__."/Entities"));
-$config->setMetadataDriverImpl($driverImpl);
-$config->setQueryCacheImpl($cache);
-
-// Proxy configuration
-$config->setProxyDir(__DIR__ . '/Proxies');
-$config->setProxyNamespace('Proxies');
-$config->setMetadataCacheImpl(new \Doctrine\Common\Cache\ArrayCache);
-
-// Database connection information
-$connectionOptions = array(
-    'driver' => 'pdo_sqlite',
-    'path' => 'database.sqlite'
-);
-
-// Create EntityManager
-$em = EntityManager::create($connectionOptions, $config);
+$em = require_once __DIR__ . '/bootstrap.php';
 
 ## PUT YOUR TEST CODE BELOW