2.5 Inch Optical Glass Triangular Science Prism Teaching Light Spectrum Physics

100%?Brand?NEW!!!
Name:Triangular Prism :Clear Material:optical glass Side length:App 3cm/1.18inches Total Length:App 5cm/2 inches Quantity:1Pc ? ? Package: 1pc Triangular Prism 1pc Box ? Feature: 1.It is used to research the
refraction and dispersion of the light, and make a thorough inquiry of
the forming of the 2.Let the children receive an initial refraction of light perception experience, stimulate children's curiosity and exploration of the heart 3.Refracting 7colors(red,orange,yellow,green,indigo,blue,Purple) 4.Suitable for optical teaching,Early Childhood Education,etc. ? ? Note: 1.The real of the item may be slightly different from the pictures on website caused by many factors such as brightness of your and light brightness. 2.Please allow?1-2cm?error due to the hand measurement . ? If?you?have?any?questions,?please?contact?us. Wish?you?have?a?happy?shopping?time! ? ?














a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a