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、 [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、 [Easy to use] The digital features are distinct, avoid confusion, facilitate digital identification, and be easy to use. 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、 [Ideal gifts] This learning toy is the best gift for 3-year-old boys and girls for birthdays, Christmas, Halloween, and other holidays. 1 x Early Learning Math Machine1 x USB Charging Cable Color (optional): white, blue, pinkMaterial: ABS + electronic componentsDimensions: 19 x 12 x 1.7 CmFunctions: counting, comparing sizes, finding rules, adding and subtracting two-digit single digits, multiplication and division calculationApplicable age: 3+