Quiz It Pen Box Sets are sets of four colorful books and an interactive pen, one set for preschool and another for kindergarten. Students use the pen to press the answer in the book. Pens light up and make sounds to let the student know if the correct answer was chosen. The pen has three volume settings or can be muted. The pages cover a variety of subjects, including math, science, language arts, social studies, fine arts, and more.