Me sell my 1 kidney

Kuwaiti law has criminalized the sale of organs and stipulates imprisonment for anyone who violates this order. Therefore, your kidneys cannot be sold because it is considered an illegal act.
Here is the text of the law on organ transplantation in Kuwait, related to your inquiry:
Article 7
It is not permissible to sell or buy body parts by any means, or to receive any financial compensation for them, and it is prohibited for the specialist physician to perform the removal of them if he is aware of this.
Likewise, a person may not recover the organ removed from him after he donated it in accordance with the law.
Article 10
Without prejudice to any more severe punishment stipulated by other laws, anyone who violates the provisions of this law and the decisions implementing it, shall be punished by imprisonment for a period not exceeding three years and by a fine not exceeding three thousand dinars, or by either of these two penalties, and the penalty shall be doubled in the case of repetition within two years from the date of judgment The final in the first crime.