Hi Mark - Tactile Pen

New and improved 3-D writing tool creates raised lines, dots and shapes for thousands of practical purposes for the blind, those with low vision, and general users. Raised writing dries to a non-toxic, plastic-feel finish for easy tactile reading. Wonderful art medium for children. Make letters, line art, small shapes, dots, maps, designs. Great to use for identifying clothes and many other items. 1 oz. tube.