Assembly for mixing at least two products

A product packaging system, comprising:

• a first container containing a first product and delimiting a first opening;
• a removable stopper associated with the first opening;
• and
• a second container containing a second product and delimiting a second opening, the second container comprising at least one camming member projecting from a surface of the second container, the at least one camming member being configured to engage the stopper so as to expose the first opening and allow the first product and the second product to be brought into contact with one another,
• wherein a substantial portion of the removable stopper is removed from the first opening and allowed to pass into the second container.

A method of forming a mixture of at least two products, comprising:

• providing a system comprising:
• a first product packaged in a first container,
• a removable stopper provided in a first opening of the first container, and
• a second product packaged in a second container, the second container comprising a second opening;
• connecting the first container to the second container;
• removing the stopper from the opening during establishment of a connection between the first container and the second container;
• passing the stopper into the second container;
• and
• mixing the first product and the second product.

An assembly for mixing at least two products, comprising:

• a first container containing a first product and delimiting a first opening;
• a removable stopper with first opening;
• and
• a second container containing a second product and delimiting a second opening, the second container comprising a first coupling member,
• wherein the first container and the second container are configured to be connected to one another, and
• wherein, during establishment of a connection between the first container and the second container, the first coupling member is enageable with the removable stopper and move the removable stopper in a direction toward the second container so as to expose the first opening and allow the first product and the second product to be brought into contact with one another.