Eperience Fascinating Optics and Science With our highquality 4pack K9 crystal optical prism, witness the breathtaking phenomenon of light refraction. Split light into perfect angles and create striking and vibrant rainbows or halo effects. A fun, eciting and educational introduction to physics, this prism is a perfect science tool. Capture Unique Photography Effects Improve your photography skills with our clear glass prism. Impressively useful for photographers, it adds a stunning flare of rainbow light to your images, without the need for editing, enhancing the overall visual enjoyment of your . Designed for Safe and Interactive Learning With rounded edges, our prism is remarkably safe to handle, especially when used by young learners. It is an eceptional tool for teaching about the nature of light and how rainbows are created, making science education fun and engaging. , Portable and GiftReady Our 50mm prisms 4pack are convenient to carry, perfect for onthego photography or travel adventures. Color transparent Material crystal Size Appro. 30 30 30 50 mm Package Contents 4 Clear Triangular Prism Above package contents only, other products are not included. Note Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 13 cm.