Baby stroller conversion unit

FIG. 1 is a perspective view of a baby stroller conversion unit showing our new design;

FIG. 2 is a left-side elevational view thereof, the opposite right-side being a mirror image thereof;

FIG. 3 is a top-plan view thereof;

FIG. 4 is a bottom-plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a baby stroller conversion unit showing a second embodiment of our new design;

FIG. 8 is a left-side elevational view of FIG. 7, the opposite right-side being a mirror image of that left-side shown in FIG. 8;

FIG. 9 is a top-plan view of FIG. 7;

FIG. 10 is a bottom-plan view of FIG. 7;

FIG. 11 is a front-elevational view of FIG. 7; and,

FIG. 12 is a rear-elevational view of FIG. 7.

The broken lines shown in all drawing views are for illustrative purposes only and form no part of the claimed design.