The image shows a tall wooden structure made up of multiple wooden blocks stacked on top of each other on a green table. The structure appears to be a tower or a tower of blocks, with multiple levels and multiple levels. The blocks are arranged in a way that they form a tower-like structure, with the tallest block at the top and the smallest at the bottom. In the background, there are other tables and chairs in a classroom, and a bookshelf can be seen on the left side of the image. A person is sitting at one of the tables, looking at the structure.