Brand new style of educational puzzles from Artiwood that were sure are going to please. A-Z letter puzzles and 1-20 number puzzles. Beautifully crafted the pieces of these puzzles fit together within the frame and on top of a paper outline map of the puzzle. Remove the map from the frame and you have an even more challenging puzzle. 3rd level of difficulty is to complete the puzzle wiith out the map or the frame.