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As most of the poorer regions of Africa, so the lack of toys for children in Africa.Toy mineral water bottles can be delivered to children in Africa as a donor material.Bottle with a triangular prism shape,and Toy mineral water bottles are two games are played.
When the bottle is full of water ，using the refraction principle of light in the sun to form a rainbow.
Toy mineral water bottles can spell a variety of patterns, as the intellectual development of children's toys.
Dan Zhang Jingdan Wang Qingqing Li Ying Zhang