Number blocks Hot Dots Interactive book

Very good condition, hardly used. Pen works fine. NUMBERBLOCKS AS SEEN ON TV: Count on this interactive pen and book set to bring even more maths learning from the award-winning TV series to life for children as they learn about the magic behind numbers 1–10. OVER 75 ACTIVITIES: The spiral-bound book has over 75 learning activities that help children build skills in number recognition for 1–10, number order, matching, simple addition and subtraction, number bonds to 10, subitising, and problem-solving. INTERACTIVE LEARNING PEN & BOOK: Review a question in the Activity Book and touch the tip of the Hot Dots pen to a dot to answer. The pen glows green for the correct answer and red for the incorrect answer. INSTANT FEEDBACK: The Hot Dots pen gives instant feedback which allows children to self-correct. This encourages independent learning and gives children a sense of achievement, which helps boost their confidence. INCLUDES: Hot Dots interactive learning toy pen and spiral-bound Activity Book with over 75 learning activities. Hot Dots pen requires 2 AAA batteries, not included. The spiral-bound book measures 19cm L x 14cm W.