The present invention is a device for combining at least two products. The device includes a container having at least one wall, the wall defining an interior of the container, and an opening for allowing access to the interior of the container. The device also includes a separating element movable with respect to the container from a first position to a second position. In the first position, at least a portion of the separating element is in the interior of the container and defines in the interior of the container a first region for a first product and a second region for a second product. In the second position, the separating element is at least substantially removed from the interior of the container so that the regions are placed in fluid communication with one another to permit mixing of the first and second products. In one aspect of the invention, the separating element moves from the first position to the second position without passing through the opening of the container. In another aspect of the invention, the container has a removable cover. Also disclosed is a method of combining at least two products.