Because externally, the case may be completely intact, but you do not know whether this box fell from a height of three meters. Therefore, it is imperative to check if you have found any flaws somewhere, go to the office of the company and write a statement about the damage to the package. Your cargo is insured.
Then they will cover all these costs. There are two options, either you have to repair your equipment, or we'll have to send you some new equipment. It will already depend on how much it is damaged, and to solve this issue with the transport company.
If you received the package and did not open it, did not check it, just put it in your car, then it will be too late to make a complaint. As soon as you took the props with your hands and carried them from the man who gave it to you -this means that you did accept the equipment, you had no complaints, you signed a document on the transfer of the cargo. You will be told that the cargo was damaged on your way home, that you loaded the glowing desk(
Props, Glowing desk) into the car and hit it with the tailgate, you will be told all sorts of such things, and they will be right. Therefore, the cargo must be checked for damage.