Features: Made of high-quality K9 optical glass, it is durable and practical. The cute cabin shape can be used as a teaching tool or research or decoration. Optical glass RGB prism, there are four lights, any one of the white light illumination surface, the three primary colors from the remaining three lights red, green and blue, respectively called three base light. Beautiful and unique design, the same environment, from different angles, there will be completely different color rendering. The shape is lovely and the color is vivid, which can be used as a gift in the field of optics. Specifications: Condition: 100% Brand New Material: K9 Optical Glass Type: Hut shape, 1, 2 (Optional) Size: Approx. 22x22x22mm / 0.9x0.9x0.9in Package list: 1 * Colored Prism
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