科技小制作DIY地震报警器小学生手工科学实验发明教玩具STEM教育 地震报警器
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科技小制作DIY地震报警器小学生手工科学实验发明教玩具STEM教育 地震报警器
| 颜色(Color) | Yellow |
| 尺寸(Size) | 12.5cm x 9cm x 20cm |
| 材质(Material) | abs |
| 类别(Type) | DIY Physics Science Experiment Earthquake Alarm |