The ornamental design for a miniature sportsuniformkit, as shown and described.
FIG. 1 is a front view of a miniature sports uniform kit according to my new design with the elements of the kit shown separated for clarity of disclosure, the rear view being a mirror image thereof; and,
FIG. 2 is a front view of the miniature sports uniform kit, showing the kit elements combined for use, the rear view being a mirror image thereof.
The broken lines represent environmental structure and form no part of the claimed design.