Really small maze designs although not a challenge to work out how to get from the start to the finish can be quite artistic.
Here are two small designs I have created:
Simple Maze 1
These mazes can also be used to illustrate some simple points. For instance this maze has 2 paths to the exit and 2 dead ends. Interestingly it is 14 squares on either route from the start to the finish.
Simple Maze 2
This maze is a symmetrical one route maze with 5 dead ends but several of them can be seen as a dead end from the junction before, one from the exit itself. As the main idea of a maze is to send you down paths without knowing if it is a dead end then this maze does not really fulfil that requirement but it does look quite artistic.