Place it on the car and display the phone number. If you need to move the car, please contact me. We also need to consider how we see it at night, so below is a wooden strip with a groove, a light strip is placed, anduThe port connection can provide power. This design comes from life.
I teach high school general technology, and the wooden strip below is slotted using woodworking techniques and completed with a light strip. Finally, use wood glue to bond it together.