The Mind-Bursting Calcudoku Puzzles Vol III: Math Activity Book for KidsPaperback, 15 September 2017

Set the stage of healthy competition by encouraging the use of shared activities. This math activity book is perfect for family gatherings and sleepovers. It allows you to examine your child's strength in logic and in solving arithmetic puzzles. Other benefits include a sense of camaraderie and friendship. So go ahead and secure a copy of this book today!