excelmark a17 teacher self-inking rubber stamp kit excelmark this 10-in-1 teacher stamp kit is the perfect aid for grading papers and providing instruction. the convenient self-inking mount of each stamp re-inks itself into a self-contained, double-sided ink pad before each impression. using the tweezers, change up the stamp impression between 10 different die plate designs: “good work!,” “way to go!,” “needs work!,” and “great job,” as well as a sad face, star smiley face, a+, and a thumbs up. kit includes: 1 self-inking stamp with red ink 1 self-inking stamp with blue ink 10 impression dies 1 pair of tweezers