25x25x80mm Triangular Prism Optical Prisms Glass Physics Teaching Refracted Light Children Present Students Supplies Alloy for Photography Kids Science Feature: 1 rays go through a prism to variety a spectrum 2 divide gentle into all the colors of the rainbow Specification: Name: Optical prism Size: about 25*25*80mm/0*0*3 inch Weight: about 60g Material: Alloy Note: Due to different computer screen and light-weight effect, the particular coloration of the object might be barely varied from the color confirmed on the photos Thank you! Please enable 1-2cm measuring deviation because of manual dimension 1*Optical Prism