This 2-book set with included Ace; the Talking, Teaching Dog pen provides children with 100 lessons on a variety of math skills, from counting & numbers and patterns to time and fractions. 15 of the 100 lessons are challenge activities that prepare children for skills at the next grade level. Features: Playful, interactive learning Encourages parent-child interaction Develops early math skills necessary for school success Offers confidence-building feedback Learning Skills: Counting & Numbers, Patterns, Time, Shapes/Geometry, Fractions, Measurement, and Math Facts 15 Challenge reading lessons for advanced learners **Ace pen requires 2 AAA batteries (not included) Age: 4 Years + What's in the box Set includes: 2 Activity Books Ace, the Talking, Teaching Pen