ISBN-13: 9781943417209 / Wietnamski / Miękka / 2016 / 28 str.
ISBN-13: 9781943417209 / Wietnamski / Miękka / 2016 / 28 str.
A little story by a dentist, hoping to promote good oral hygiene. Educate children and their parents on the proper method of brushing. A boy tries to learn how to brush and is visited by someone special to teach him.