Educational Insights Hot Dots Pen The interactive Talking Hot Dots Pen brings Hot Dots card sets and storybooks to life with lights, sounds, and kid-friendly phrases! Simply review the question or activity, then press the pen to the dot next to the correct answer for an immediate audio-visual response. Correct responses receive cool, kid-friendly phrases; incorrect responses receive gentle redirection. Works with any Hot Dots or Hot Dots Jr. set! Perfect for independent study and learning; enables students to work at their own pace. Requires 2 AAA batteries (not included). Not compatible with Hot Dots Tots sets.