Since the pieces are actually shaped like the countries of the world, you cannot complete this 600-piece puzzle without figuring out where every country is located. No other puzzle comes with such a superb geography lesson. Build the puzzle and learn the world. Further, the oceans are filled with fun facts about every country in alphabetical order from Afghanistan to Zimbabwe. This allows you to can continue the educational experience while also serving as a guide to help you solve the challenging blue ocean pieces.