The ornamental design for a teachingaid, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Teaching aid
1.1 : Front
1.2 : Perspective
1.3 : Side
1.4 : Side Detail
1.5 : Side
1.6 : Side Detail
1.7 : Front Detail
1.8 : Rear
The claimed design concerns a teaching aid showing the exaltation of truth through a sculpture of human face.