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