The ornamental design for a child's toy, as shown and described.
FIG. 1 is a perspective view of the child's toy showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an alternate perspective view showing the interlocking element of the each figure, in a different configuration than from FIG. 1; and broken lines depict a base structure which forms no part of the claimed invention.
The broken lines in FIG. 8 depict environmental structures of the child's toy and and form no part of the claimed invention.