EZ Stampers Self-inking Motivational Stamps EI-1660 EZ Stampers Self-Inking Teacher Stamp Set One each of 12 stamps packaged in self-standing blister card. You"ll never need stamp pads again with these unique self-inking stamps. Just snap off the lid and stamp! The 12-stamp set includes messages of praise and encouragement, reminders about missed or incomplete assignments, homework and extra credit stamps, and special messages just for parents!