Pyramid Crystal, Optical Glass Triangular Prism, Energy Generator Prisms, for Teaching Experiment Tool Light Spectrum Physics and Photo Photography Family Decoration Gift, 40mm 1.57inch auspowers_batchone 47 Inch Outer Diameter: 31MM/1

47 Inch Outer Diameter: 31MM/1

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Pyramid Crystal, Optical Glass Triangular Prism, Energy Generator Prisms, for Teaching Experiment Tool Light Spectrum Physics and Photo Photography Family Decoration Gift, 40mm 1.57inch auspowers_batchone 47 Inch Outer Diameter: 31MM/1Pyramid Crystal, Optical Glass Triangular Prism, Energy Generator Prisms, for Teaching Experiment Tool Light Spectrum Physics and Photo Photography Family Decoration Gift, 40mm Fast shipping: 3 5 days. Standard shipping: 7 15 days. Product Information 1. Material: Crystal glass2. Size: 606060mm 2. 362. 362. 36 inch3. Uses: used as teaching or research tool or used for decoration 4. Product Features: With beautiful and unique design, there will be