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Black Friday Pre-Sale
150x30x30x30mm Triangular Prism Optical Prisms Glass Physics Teaching Refracted Light Spectrum Children Students
Specifications:
- Surface: --
- Shape: triangle
- Origin: CN(Origin)
- Material: K9 glass
- Brand Name: xinxiang
- Free shipping
We offer free shipping for all products
- 100 days returns
If you aren't satisfied, you can return within 100 days
- Low prices
Up to 40% off, and new deals every week
- 5 million products
With over 5 million products, you are guaranteed to find something you like