Educational Insights Hot Dots Talking Pen, Single (New Silver Color) It's interactive learning fun! Brings dozens of Hot Dots and Hot Dots Jr. books, activities, and card sets to life  just press to an answer dot for an immediate audio visual response. Includes Hot Dots Talking Pen with brand new, sleek, silver design, 17 speech and sound effects, and flashing lights. Compatible with all Hot Dots and Hot Dots Jr. sets, ranging from shapes and colors to academic vocabulary, science, language arts, and more. Perfect for independent, self-paced learning. Sleek, silver design with high tech feel. Way more fun than flashcards! Requires 2 AAA batteries (not included).