Color (optional): white, blue, pink Material: ABS + electronic components Dimensions: 19 x 12 x 1.7 Cm 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 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. 11. [Math teaching calculator] A educational number calculator for elementary school mathematics and basic arithmetic, which helps children master addition, subtraction, multiplication, and division. 22. [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. 33. [Easy to use] The digital features are distinct, avoid confusion, facilitate digital identification, and be easy to use. 44. [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. 55. [Ideal gifts] This learning toy is the best gift for 3-year-old boys and girls for birthdays, Christmas, Halloween, and other holidays.