Physics Teaching Precision Optical Glass Prism 3 Inch Kids Educational Toy | |
Description: Rainbow Optical Glass Triple Triangular Prism Physics Teaching Light Spectrum Research the refraction and of the light Good prism for teaching material A toy for children Material: Glass Color: Clear Specification: Size: Approx.8*2.5*2.5cm/3.14*0.98*0.98 inch Package Includes: 1 Piece Prism |