Triangular Glass Prism 50x50mm bunsen burner The user-friendly design means that

The user-friendly design means that anyone

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Triangular Glass Prism 50x50mm bunsen burner The user-friendly design means thatTriangular Glass Prism 50x50mm Triangular Glass Prism diy reflection prisms equilateral prism 50mm x 50mm size, Product Description This kind of optical glass prism can reflect seven color sunlight. It can teach children to explore the mysteries of light, stimulate a child's thirst for knowledge, and improve the children's interest of understanding the magic world. Package included: 1*optical glass prism.