Pete The Cat is bringing his groovy style to Hot Dots Jr. Simply press the pen to one of the answers on the Hot Dots page, and you get immediate feedback - Pete plays music and lets you know if your answer was correct or incorrect. Set includes two spiral-bound Hot Dots card sets, featuring more than 200 activities, plus a Pete The Cat Pen. The cards will help students develop skills in reading, math, science, social studies and more. Ages 3-4. Pen requires 2 AAA batteries, not included.