The ornamental design for a firehouse-shaped holder for juice containers, as shown and described.
FIG. 1 is an isometric view of the front and side of the holder in firehouse shape for juice containers showing in the front view the opening of the handle at the top of the design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is the rear elevation view thereof;
FIG. 4 is a side elevation view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view of the holder in firehouse shape for juice containers shown as completely flat with no decoration.
FIGS. 2 and 3 may be understood as either front or rear views.