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Holding each stick in one hand and stiring up ,You will keep the empty-bamboo light spinning on a string which joins the two sticks to generate electric power for lighting at night. When you are tired and want to have a rest, you could adhere the empty-bamboo anywhere. So, it is also used as an emergent electric torch when evening falls. While playing with the Empty-Bamboo Light ,We not only take exercises, but also generate electric.
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