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Correction pen / The concept of children''s

Correction pen

Error correction pen is an interactive teaching aid to help children correct wrong postures and wrong characters. If it is not used properly, it will issue a warning light to warn children to use it correctly. Can give the child in the growth process to give the true writing the help.


Yibin University, Cuiping District,

Yibin University, Cuiping District,
Yi bin, China

Pan jie,
Yibin University

Zhou gui,
Yibin University

Jiang Yimei,
Yibin University