The best-selling, interactive Hot Dots Talking Pen has a brand new look! Press the sleek, silver Pen to an answer dot on any Hot Dots or Hot Dots Jr.question for instantaneous visual and audio feedback! With 17 speech and sound effects and fun, flashing lights, the Hot Dots Talking Pen is perfect for independent, self-paced learning, guiding kids through dozens of interactive books, activities, and card sets.The Hot Dots Talking Pen is compatible with all Hot Dots and Hot Dots Jr.sets and requires 2 AAA batteries.