Make learning numbers 11 to 20 an exciting adventure with the Learning Resources Hot Dots Numberblocks 11–20 Activity Book and Interactive Pen. Inspired by the popular and educational Numberblocks TV series, this hands-on learning set helps children build essential maths skills through over 60 engaging activities. The interactive Hot Dots pen allows children to select answers by touching dots in the book, glowing green for correct answers and red for incorrect ones, promoting self-correction and independent learning. The spiral-bound activity book includes a variety of challenges that support number recognition, counting, ordering, basic operations, and early problem-solving. Fun Numberblocks sounds add an extra layer of engagement, making learning feel like play. Compact and portable, this set is perfect for use at home, in the classroom, or on the move. Suitable for children aged 5 and above, this set makes maths learning fun, accessible, and rewarding.