说明

• 30x30x60mm Triangular Prism BK7 Optical Prisms Glass Prisms for Physics Teaching Refracted Light Spectrum Rainbow Children Present Specs: Model: Triangular prism Size: 30x30x50mm Prism length: 50mm Side length: 30mm Material: Bk7 (K9) optical glass, no longer plastic Weight: about 100g A spectrum is made up of a ray of light that passes through a prism The prism separated the sunshine into all of the colors of the rainbow Attention: 1 gift field and retail field now not included! 2 Please enable 1-2 cm dimension deviation thanks to guide size Package Included: Metal Melting Torch Mini Gold Furnace Graphite: 1x triangular prism

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