How to draw a corn cannon is as follows:

1. Draw a rectangular base to represent the main part of the corn cannon. Draw a cylinder above the base to represent the barrel of the corn cannon.

2. Draw two rectangles on both sides of the barrel to represent the flanks of the corn cannon. Draw two semicircles above the flanks to represent the corn cannon's shields. Draw an oval sight on the front of the barrel to represent the corn cannon's sight.

3. Draw two semicircles under the base to represent the wheels of the corn cannon. Finally, outline it with black, fill the main part and wheels with yellow, and fill the sights and shield with red.

Benefits of painting:

1. Learning to paint can help improve our observation skills, enrich our personal lives, make people more confident, and exercise our patience. At the same time, in painting , when our imagination is expanded and deepened, regular painting can also improve our physical and mental health.

2. The process of painting is a process of appreciation. The process of painting is to fill the pictures in our minds with our thoughts and then paint them on paper. Generally, we like to paint. People who paint will be more able to notice the details of things in life, so people who paint will generally have more delicate minds.

3. Painting will help you learn to deal with one's life. Painting is a good activity to pass the time in life. With painting, there will be a lot less loneliness in life. When you have nothing to do, Pick up the brush and concentrate, and a few hours will pass easily. Painting can not only spend time doing nothing, but when you complete a painting, you can also get satisfaction from it.