diff --git a/app/creational/prototype/Laptop.php b/app/creational/prototype/Laptop.php
index 281ea15..098f0a1 100644
--- a/app/creational/prototype/Laptop.php
+++ b/app/creational/prototype/Laptop.php
@@ -10,5 +10,6 @@ public function __construct()
     {
         $this->id = 2;
         $this->name = 'Smartphone';
+        $this->color = 'Default color';
     }
 }
diff --git a/app/creational/prototype/ProductPrototype.php b/app/creational/prototype/ProductPrototype.php
index d9c67d9..467c7e6 100644
--- a/app/creational/prototype/ProductPrototype.php
+++ b/app/creational/prototype/ProductPrototype.php
@@ -8,6 +8,7 @@ abstract class ProductPrototype
 {
     protected int $id;
     protected string $name;
+    protected string $color;
 
     public function getId(): int
     {
@@ -18,4 +19,14 @@ public function getName(): string
     {
         return $this->name;
     }
+
+    public function getColor(): string
+    {
+        return $this->color;
+    }
+
+    public function setColor(string $color): void
+    {
+        $this->color = $color;
+    }
 }
diff --git a/app/creational/prototype/Smartphone.php b/app/creational/prototype/Smartphone.php
index a53192e..9b955e4 100644
--- a/app/creational/prototype/Smartphone.php
+++ b/app/creational/prototype/Smartphone.php
@@ -10,5 +10,6 @@ public function __construct()
     {
         $this->id = 1;
         $this->name = 'Smartphone';
+        $this->color = 'Default color';
     }
 }
diff --git a/tests/creational/prototype/PrototypeTest.php b/tests/creational/prototype/PrototypeTest.php
index eba6a2e..95c540e 100644
--- a/tests/creational/prototype/PrototypeTest.php
+++ b/tests/creational/prototype/PrototypeTest.php
@@ -19,7 +19,9 @@ public function testSmartphoneClone(): void
 
         self::assertEquals($clonedSmartphone->getId(), $smartphone->getId());
         self::assertEquals($clonedSmartphone->getName(), $smartphone->getName());
+        self::assertEquals($clonedSmartphone->getColor(), $smartphone->getColor());
         self::assertEquals($clonedSmartphone, $smartphone);
+        self::assertNotSame($clonedSmartphone, $smartphone);
     }
 
     public function testCartCanAddClonedProducts(): void
@@ -30,12 +32,14 @@ public function testCartCanAddClonedProducts(): void
         $cart->addProduct($laptop);
 
         $clonedLaptop = clone $laptop;
-
+        $clonedLaptop->setColor('White');
         $cart->addProduct($clonedLaptop);
 
         self::assertCount(2, $cart->getProducts());
-        self::assertEquals($cart->getProducts()[1], $cart->getProducts()[0]);
-        self::assertNotSame($cart->getProducts()[1], $cart->getProducts()[0]);
+        self::assertEquals($cart->getProducts()[1]->getId(), $cart->getProducts()[0]->getId());
+        self::assertEquals($cart->getProducts()[1]->getName(), $cart->getProducts()[0]->getName());
+        self::assertEquals('White', $cart->getProducts()[1]->getColor());
+        self::assertEquals('Default color', $cart->getProducts()[0]->getColor());
     }
 }