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At present, there are still 1.6 billion people in the world who can't use electricity. The design of this product focuses on solving the problem of lighting difficulty in Africa. The power generation facilities are made into children's amusement facilities. Children can convert kinetic energy into electric energy in games and play, and store it in batteries for long-time lighting. It can not only solve the problem of electricity difficulty, but also provide energy to poor areas in Africa Children bring good play experience.