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In China，rattle is a kind of traditional toy,which is benefit for children's intelligence development with its function of music and entertainment.At present there are nearly 2 billion people in the world who have no power to use.For these children,studying at night is very diffcult.This is a rattle designed for African children.In the daytime, the Kinetic energy produced by kids' turning the rattle will be converted into power to be stored,and at night,this rattle with full power can be used for lighting in the family.This design can help African kids have a good learning environment.
Dalian Minzu University
Dalian Nationalities University