Get with the Dark Koopa room and enter the Tremendous Block area. You can find three concealed blocks you will need to hit from down below to sort a path through the hole. Use the blue block to get to the concealed blocks. Readily available soon after Chapter 3. From https://free-desert-block-puzzle91223.is-blog.com/42568927/the-greatest-guide-to-how-to-play-desert-block-puzzle