Feature: 1. 1. [Math teaching calculator] A educational number calculator for elementary school mathematics and basic arithmetic, which helps children master addition, subtraction, multiplication, and division. 2. 2. [Timing training] In free timing settings, the difficulty gradually increases, learn arithmetic while playing, and enter the mathematical world in a way that children like. 3. 3. [Easy to use] The digital features are distinct, avoid confusion, facilitate digital identification, and be easy to use. 4. 4. [Suitable for home and school] Parents and teachers can use this calculator toy to teach children math operations, arithmetic training, and number games in a more fun way to improve children's brain development and language skills. 5. 5. [Ideal gifts] This learning toy is the best gift for 3‑year‑old boys and girls for birthdays, Christmas, Halloween, and other holidays. Specification: Color (optional): white, blue, pink Material: ABS + electronic components Dimensions: 135 x 71 x 21 mm Functions: counting, comparing sizes, finding rules, adding and subtracting two-digit single digits, multiplication and division calculation Applicable age: 3+. Package List: 1 x Early Learning Math Machine 1 x USB Charging Cable Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.