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30 Days / Children''s toothbrushes

30 Days
30 Days

This Children Punch Toothbrush for 30 Days can help parents deal with the problem of children refusing to brush their teeth. 30 days as a cycle, the child brushes the toothbrush turns the knob below every day. Let the number of days to help remind children of the daily habit of brushing teeth. More different plants are alternately used in the toothbrush. The children continue to brush their teeth every day, and the plants gradually grow. At the end of 30 days, the plants are able to be removed, and the brush head is replaced to restart the punching journey.

University

Dalian Nationalities University

Dalian Minzu University
Dalian, China

Wenhui Du,
Dalian Minzu University

Zhengwei Zhang,
Dalian Minzu University

Luhao Liu,
Dalian Minzu University

Cheng Pan,
Dalian Minzu University

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