Description: Math Toy: This toy has basic mathematical operation symbols and numbers such as addition, subtraction, multiplication, division, and greater than concepts, allowing children to recognize numbers and learn mathematics.Design: Math learning toys have a bearing design, which can be easily rolled and rotated, change numbers at will, and learn different mathematical operations.Educational Toys: Easy to grasp mathematical cubes, which can be rotated arbitrarily, children can do calculations by themselves, develop fine motor, hand eye coordination, thinking ability, etc.Applicability: Counting game is suitable for children over 2 years old, it can be used in kindergartens, living rooms, nurseries and other occasions, it is the best gift for children.Material: Math operation toy is made of wooden material, fine workmanship, smooth and burr free, does not hurt hands, is resistant to falling, strong and playable. Specification: Material : Wood Size Chart: 5.5cmx5.5cmx9.2cm/2.17inchx2.17inchx3.62inch Package Includes: 1 Math Toy Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.