Many people should be familiar with this kind of toy
It is also very simple to do. The nails connecting the joints in the picture are called "two-foot nails"
Such a thin paper box is easier to operate and can also be used to make paper puppets
Use a ruler to draw the required rectangle as shown below, and cut it all with scissors
< p>Mark the points where the two nails are nailed to facilitate positioning
Fix these strips in sequence as shown below