Educational Insights Hot Dots Let's Master Grade 1 Math Set with Talking Pen Give your kids the jump-start they need for school success with this fun, interactive Hot Dots Jr. set and Ace - the Talking, Teaching Dog pen. Includes 85 first grade level lessons and 15 advanced lessons in 2 spiral-bound books. Plus, Acethe Talking, Teaching Dog pen. Provides your child with 100 richly illustrated lessons covering a variety of math skills from counting, to numbers and patterns, to time and fractions. Press Ace to an answer dothe offers affirmative "ruffs" and encouraging words for correct responses, and gentle redirection for incorrect responses. Also includes 15 challenges for next-level skill prep! Give kids a leg up on next year's learning or the practice they need right now! Helps develop critical early learning skills, and provides confidence-building feedback. Encourages self-paced independent learning. Interactive pen can be used with any Hot Dots and Hot Dots Jr books, activities, and card sets for endless learning and fun! Requires 2 AAA batteries (not included)