Children's mathematical oral arithmetic training machine
Model: gmtq8
Material: internal ABS; Surface silica gel
Overall size: 66.5mm*135mm, thickness: 19.5mm
Memory: 2million intelligent question banks, addition, subtraction, multiplication and division
Power supply: 3 AAA batteries
Applicable age: 5-10 years old
Packing list: Computer / screwdriver / instruction manual
人民币:20 工厂报价