FIG. 1 is a right front perspective view of a fluid-filled decorative element for a child's shoe showing my new design;

FIG. 2 is a front elevational view thereof, the rear being plain and unornamented;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof on a reduced scale, the shoe shown in broken lines for illustrative purposes only and forms no part of the claim;

FIG. 8 is a right front perspective view of a second embodiment of FIG. 1;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a rear elevational view of FIG. 8;

FIG. 11 is a right side elevational view of FIG. 8;

FIG. 12 is a left side elevational view of FIG. 8;

FIG. 13 is a top plan view of FIG. 8;

FIG. 14 is a bottom plan view of FIG. 8;

FIG. 15 is a right side elevational view of FIG. 8, the shoe shown in broken lines for illustrative purposes only and forms no part of the claimed design;

FIG. 16 is a left side elevational view of FIG. 8, the shoe shown in broken lines for illustrative purposes only and forms no part of the claimed design; and,

FIG. 17 is a rear elevational view of FIG. 8, the shoe shown in broken lines for illustative purposes only and forms no part of the claimed design.