Abstract
The wooden inner wall that was able to create the patterns or the wall painting easily by user was produced by installing wooden tiles of various colors in the board of the back. Because nine years had passed after having produced this product, the performance of this product was visually investigated. As a result, the color of the wall faded a little, and some ruggedness was generated on the wall. However, the fatal flaw to which installed the tiles and the parts fell was not confirmed. By using the structure like this product, it was proven to be able to produce the wooden inner wall that was able to create the patterns and the wall painting of the favor easily.
