MicroWorld Games LLC, imports directly the products of Black Dog from the Czech Republic. Our stock are in function of customers requests, if you see a product that you want and cannot put it on your shopping cart, please send us a line to microworldgames@hotmail.com so that we can included in our next order to Black Dog. We order product every 45 days. Because the prices are originally in EUROs, the prices are subject to change as a result of the exchange rate between the EURO and the US dollar.