The ornamental design for a foldable babycarriage, as shown and described.
FIG. 1 is a first perspective top view of a (folded) foldable baby carriage showing our new design;
FIG. 2 is a second perspective top view of the foldable baby carriage shown in FIG. 1;
FIG. 3 is a perspective bottom view of the foldable baby carriage shown in FIG. 1;
FIG. 4 is a side view of the foldable baby carriage shown in FIG. 1;
FIG. 5 is a back view of the foldable baby carriage shown in FIG. 1;
FIG. 6 is a bottom view of the foldablebaby carriage shown in FIG. 1; and,
FIG. 7 is a top view of the foldable baby carriage shown in FIG. 1.
Broken-line disclosure is understood to represent portions of the article in which the claimed design is embodied, but which form no part of the claimed design.