Features of this teaching material » Many paths for dead stops; The maze width is narrower than the "excitement Iro" and has more dead stops. Introducing a lot of mazes that will be able to hit the dead and have a lot of mazes. » Time and Train Time with a section to write your time so you can get a more sense of accomplishment. » Tackle With Perspectives To some extent to find the path and answer is the key to lead the answer quickly.