The ornamental design for a toylaunchingdevice, as shown and described.
FIG. 1 shows a perspective view of a design for a toy launching device.
FIG. 2 shows a back view of the design.
FIG. 3 shows a front view of the design.
FIG. 4 shows a right side view of the design.
FIG. 5 shows a left side view of the design.
FIG. 6 shows a top view of the design; and,
FIG. 7 shows a bottom view of the design.
The broken line shown in the figures are included for the purpose of illustrating portions of the toy launching device and form no part of the claimed design.