Kids Math Oral Arithmetic Training Machine Calculator Toys Mathematical Thinking Training Time-Limited Test

* Applicable age: 3 years old +
* Warning: CHOKING HAZARD-Small parts. Not for children under 3yrs.
* Material: ABS
* Package size: Approx. 135x71x21mm/5.31x2.80x0.83in
* Product function: digital game / oral reading and listening / timed answering / automatic error correction
* Usage: Ideal for students and classroom environments to teach basic calculator and math skills, great for the world, including teachers, professors, home school educators, hobbyists and professionals in health and science related fields, also for elementary school students the best gift.
* Features:
1. Ergonomic design: scientific ergonomically designed buttons, large buttons, good reset function, increase comfort, new high-quality ultra-comfortable touch mini calculator, battery charging function.
2. Mathematical calculator: calculator with constant addition, subtraction, multiplication and division; modern multi-color design, pocket calculator with memory function, large-screen small calculator, and l