{"product_id":"glass-triangular-prism","title":"Glass Triangular Prism – 25 or 30 mm, for Rainbows and Photos","description":"\u003cp\u003eA glass triangular prism is the simplest way to show that white light holds every colour: set it in a sunny window and a rainbow lands on the wall. Photographers hold one in front of the lens for colour flares. Choose from three small sizes. It is part of our \u003ca href=\"\/collections\/toys\"\u003eToys \u0026amp; Games\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical glass\u003c\/strong\u003e – clear, polished faces for a crisp spectrum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassroom demo\u003c\/strong\u003e – shows refraction and dispersion in a physics lesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhoto effects\u003c\/strong\u003e – adds rainbow streaks and light leaks to portraits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree sizes\u003c\/strong\u003e – 25 × 25 mm, 30 × 30 mm, or 25 mm faces at 50 mm long\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eA\u003c\/th\u003e\n\u003ctd\u003e25 mm face × 25 mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003ctd\u003e30 mm face × 30 mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eC\u003c\/th\u003e\n\u003ctd\u003e25 mm face × 50 mm long (5 × 2.5 × 2.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eK9 optical glass (supplier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 glass triangular prism in the size chosen\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCare\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGlass edges can chip if dropped; store it in a soft cloth\u003c\/li\u003e\n\u003cli\u003eClean with a lens cloth; small enough to swallow, so keep from young children\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich size of glass triangular prism should I choose?\u003c\/strong\u003e\u003cbr\u003ePick A (25 × 25 mm) for a pocket-size prism, B (30 × 30 mm) for a slightly larger face, or C (25 mm faces, 50 mm long) for a wider rainbow band in photos.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I make a rainbow with the glass triangular prism?\u003c\/strong\u003e\u003cbr\u003eHold the glass triangular prism in direct sunlight or a torch beam and turn it slowly until a band of colours appears on a wall or table.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the glass triangular prism made of?\u003c\/strong\u003e\u003cbr\u003eThe glass triangular prism is solid optical glass with polished faces, listed by the supplier as K9 crystal glass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuying more than one, ordering again, or shopping for a gift or event?\u003c\/strong\u003e Email \u003ca href=\"mailto:cs@elysianoble.com\"\u003ecs@elysianoble.com\u003c\/a\u003e with the product link for a personal quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping and returns\u003c\/strong\u003e – see our \u003ca href=\"\/policies\/shipping-policy\"\u003eShipping Policy\u003c\/a\u003e and \u003ca href=\"\/policies\/refund-policy\"\u003eRefund Policy\u003c\/a\u003e for delivery times and how returns work.\u003c\/p\u003e","brand":"Elysianoble","offers":[{"title":"25 × 50 mm","offer_id":42970277871686,"sku":"14:200002130#C","price":24.99,"currency_code":"USD","in_stock":true},{"title":"25 × 25 mm","offer_id":42970277904454,"sku":"14:175#A","price":24.99,"currency_code":"USD","in_stock":true},{"title":"30 × 30 mm","offer_id":42970277937222,"sku":"14:350850#B","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/4747\/2198\/files\/S6b3a3b45e028410ca0067648fecade94g.webp?v=1746201462","url":"https:\/\/elysianoble.com\/products\/glass-triangular-prism","provider":"Elysianoble","version":"1.0","type":"link"}