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Durable Magnetic Field Viewer Reusable Scientific Tool Detection Film Observation Portable For Teaching 50x50mm Pattern Display
Specifications:
- Size: About 50x50mm
- Origin: CN(Origin)
- Material: Plastic
- Item Type: Magnetic Field Viewer
- Color: Green
- Brand Name: Woopower
- Certification: none
- Free shipping
- 100 days returns
- Low prices
- 5 million products