Turn kindergarten math practice into a hands-on, interactive learning experience with Hot Dots! Press the Hot Dots pen to an answer dot to get instant feedback with lights and sounds, so kids can self-correct and build learning confidence. Pen does not talk or provide answers. The 50-page workbook offers over 50 hands-on math activities covering all the essential kindergarten math skills, including number recognition, counting, addition, subtraction, graphic, geometry and more as they answer 50 pages of interactive activities. Pen requires 2 AAA batteries (not included).