Sofullue Optical 6 15cm Glass Triple Triangular Prism Physics Teaching Light Spectrum

Brand new and high quality Research the refraction and dispersion of the light Show a rainbow for you A good present for your friends Material: Glass Color: Clear Size: Approx. 15 x 3 x 3cm/6 x1.2 x1.2 Quantity: 1 pc 　 NOTE: Please allow 1-2mm differs due to manual measurement thanks. Due to the difference between different monitors the picture may not reflect the actual color of the item. Please understand Thank you!