Check the listing for details. 6PC Optical Plastic Prism for Teaching Physics Principle Light Experiment. Condition: New. Listed at 14.88 USD. This set of optical prism is designed for teaching the princiople of light, it includes 6 kinds of optical element, and 1pc random color laser beam generator: 1pc pillar concave lens, 1pc pillar bioconcave lens, 1pc pillar biconvex lens, 1pc semi circle optical glass prism, 1pc 60° right angle prism, 1pc optical glass brick. 1pc laser beam generator. Injection molding technology will inevitably cause edge breakage. lf you are concerned about this phenomenon, please be careful when placing an order. Delivery details --------------------------------------------------------------------- 1. We Ship to Worldwide. Please contact with us if didn't find your country. 2. Items will be shipped within 1-10 business days on payment received. 3. Delivery time depends on destination and other factors, it may takes up to 20 business days. Policy: --------------------------------------------------------------------- 1. We are not responsible for any custom duty or import tax. 2. We will leave positive feedback after receiving the payment. Please contact us if you are not satisfied with the item after receive it. 3. All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible. 4. Serious Buyer Only! Please place bid only if you agree with all the terms. 5. If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.