electric three-ball instrument model teaching aids earth moon solar system planet student running track with sun， earth and moon_青华科教仪器有限公司

electric three-ball instrument model teaching aids earth moon solar system planet student running track with sun， earth and moon

electric three-ball instrument model teaching aids earth moon solar system planet student running track with sun， earth and moon

电动三球仪模型教具地球月球太阳系星球学生用日地月运行轨迹

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CTN Size: 49 × 48 × 61 cm

G.W./CTN:6.5 kg

QTY/CTN:4 piece/carton

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电动三球仪模型，科学教育必备！精准模拟太阳、地球、月球运行，激发孩子天文兴趣。

高精度电机驱动，静音耐用，操作简单。解决传统模型手动操作不便、易损坏痛点。

通过CE认证，安全可靠。

我们的使命：让科学教育更生动。选择我们，为孩子打开探索宇宙的大门！

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