A lucky blind box is a type of mystery box that contains a randomly selected item or items. Lucky blind boxes are often sold as a form of collectible merchandise and can contain items such as figurines, toys, or other small items. The contents of the box are typically not revealed until it is opened, adding an element of surprise and excitement for the person purchasing the box. Lucky blind boxes can be purchased individually or in a set, and may contain items that are exclusive or hard to find. They are also sometimes known as “mystery boxes” or “blind bags.”