From the publisher's website:

Glass Road is a game commemorating the centennial tradition of master glassmakers of the forest of Bavaria. (Today the "Glass Road" is a route through the Bavarian forest and leads visitors to the many glass factories and museums in the region.) You will have to skillfully manage your manufacturing plants of glass and brick, building structures that will help send on the business. Cut forest trees to fuel the fire of your furnaces and used the ponds, caves and forests to stock of raw materials that you need. You will have at your side fifteen specialists to help you manage your business.