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Big Triangular Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students for
Specifications:
- Type: Prisms Tools
- Size: 2.4*9cm
- Shape: triangle
- Origin: CN(Origin)
- Material: glass
- Feature: Tools
- Brand Name: LISM
- Free shipping
- 100 days returns
- Low prices
- 5 million products