There are all kinds of standard birthday cards you can give to your loved ones. But if you are looking for something more unique, you may want to give this Loading Message Birthday Card a look. This handmade birthday card measures 6.5 inches wide and 3.6 inches high and is easy to make. The card looks like an old computer’s loading window. goldlego has shared the instructions on how to create your loading messages birthday card on Instructables.