The ornamental design for a trainspoon, as shown and described.
FIG. 1 is a line drawing showing a perspective view of the top, front and left side of the claimed train spoon;
FIG. 2 is a line drawing showing a perspective view of the side of the claimed train spoon. The right side view is a mirror image of the left;
FIG. 3 is a line drawing showing a top view of the claimed train spoon;
FIG. 4 is a line drawing showing a rear view of the claimed train spoon; and,
FIG. 5 is a line drawing showing a perspective view of the top, rear, and left side of the claimed train spoon.
The claimed invention is an ornamental design for a utensil intended for feeding infants and as a training spoon for those learning to eat on their own.