Photo 1 of Syhood 10 Pack Clear Triangular Prisms Optical Glass Prisms Crystal Light Spectrum Physics for Science Teaching Photography Students Effects(6 Inch)

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Photo 1 of Syhood 10 Pack Clear Triangular Prisms Optical Glass Prisms Crystal Light Spectrum Physics for Science Teaching Photography Students Effects(6 Inch)Photo 2 of Syhood 10 Pack Clear Triangular Prisms Optical Glass Prisms Crystal Light Spectrum Physics for Science Teaching Photography Students Effects(6 Inch)