The ornamental design for a topper for bubblesolutioncontainer, as shown and described.
FIG. 1 is a perspective view of the topper for bubble solution container.
FIG. 2 is a front view of the topper for bubble solution container of FIG. 1.
FIG. 3 is a rear view of the topper for bubble solution container of FIG. 1.
FIG. 4 is a left view of the topper for bubble solution container of FIG. 1.
FIG. 5 is a right view of the topper for bubble solution container of FIG. 1.
FIG. 6 is a top view of the topper for bubble solution container of FIG. 1; and,
FIG. 7 is a perspective view of the topper for bubble solution container of FIG. 1, with the broken lines shown herein forming no part of the claimed design and showing one environment in which the topper for bubble solution container is used.