Kids are of great curiosity. Science experience is an educational and meaningful try for kids! Do you like to participate in your dear kid's science experience? We have this 8.7cm Physics Optical Glass Triple Triangular Prism to help you. This triangular prism is made of high-class optical glass, lightweight yet durable in use. It is easy to operate in an experience. Just put it under the sun, and rotate it to gather the light on any plane of this triangular prism, it will show you wonderful colors just like rainbow. It is a good way for kids to learn light refraction. So helpful!<!--Features --><p>FEATURES</p><ul><li> Triangular prism is widely used to disperse light, to break light up into its spectral components</li><li> This is a popular item at a fair price</li><li> Bring it home as a specially meaningful present</li><li> Show your kids a rainbow and lead them to an interesting optical physics experiment</li><li> Easy to use in a test</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> Optical Glass</td></tr><tr><td width="131"> Color</td><td width="365"> Transparent Color</td></tr><tr><td width="131"> Weight</td><td width="365"> 3.53oz / 100g</td></tr><tr><td width="131"> Side Length</td><td width="365"> Approx.(0.55 x 0.75)" / (1.4 x 1.9)cm (L x W) </td></tr><tr><td width="131"> Prism Length</td><td width="365"> Approx. 3.43" / 8.7cm </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Triple Prism</li></ul><!--Extra Info --><!--produts_compatibility -->