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Science and Technology small production compass compass Sinan creative science and education assembly material package primary and secondary school students teaching courseware
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Price from:
30,094 so'm
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If we are 45 days late, you will receive your order for free. More details
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About the product
Characteristic
- Material
Wooden + other accessories
- Specifications
The diameter of the finished product is about 13cm
- Item No.
KXPZ045
- Brand
OKOK
- Applicable age
Teenager (7-14 years old)
- Foreign trade or not
Yes
- Packing method
Other
- Electric or not
No
- Is there a shopping guide video
Yes
- Foreign trade type
Export
- Can DIY
No
- Multi-function or not
No
- Ability Training
Intellectual development
- Is there an animation image
No
- Type of science and education toys
Physics
- Whether it is exclusively for foreign trade
Yes (this product is only for foreign trade purposes and may not meet the domestic product standards. Please purchase with caution from domestic buyers)
- Have authorized private brands
No
Description
【跨境科教拼装材料包】指南针，古代叫司南，主要组成部分是一根装在轴上的磁针，磁针在天然地磁场的作用下可以自由转动并保持在磁子午线的切线方向上，磁针的南极指向地理南极(磁场北极)，利用这一性能可以辨别方向。常用于航海、大地测量、旅行及军事等方面。物理上指示方向的指南针的发明有三类部件，分别是司南、罗盘和磁针，均属于中国的发明。据《古矿录》记载出现于战国时期的磁山一带。指南针是中国古代劳动人民在长期的实践中对磁石磁性认识的结果。作为中国古代四大发明之一，它的发明对人类的科学技术和文明的发展，起了作用。
Characters
Properties
- Material
Wooden + other accessories
- Specifications
The diameter of the finished product is about 13cm
- Item No.
KXPZ045
- Brand
OKOK
Description
【跨境科教拼装材料包】指南针，古代叫司南，主要组成部分是一根装在轴上的磁针，磁针在天然地磁场的作用下可以自由转动并保持在磁子午线的切线方向上，磁针的南极指向地理南极(磁场北极)，利用这一性能可以辨别方向。常用于航海、大地测量、旅行及军事等方面。物理上指示方向的指南针的发明有三类部件，分别是司南、罗盘和磁针，均属于中国的发明。据《古矿录》记载出现于战国时期的磁山一带。指南针是中国古代劳动人民在长期的实践中对磁石磁性认识的结果。作为中国古代四大发明之一，它的发明对人类的科学技术和文明的发展，起了作用。