We are sorry to hear your Gift Card does not work. It is, of course, great you received a Gift Card! You can use the unique code by selecting the payment method 'Gift Card' during the final step of the ordering process. Here you can fill out your code. Click the button 'check your code', and the gift card will be redeemed.
Does the code not work? Send a picture of your Gift Card with the code to our customer service.