IFOLAINA Prism 6” inch Light Optical Glass Crystal Triangular Prism

Amlong Crystal Clear Pyramid 2.75 inch High with Gift Box

Sciencent Set of 3 Acrylic Prisms 1" 2" 4"

6pc Optical Lens Set, 2" - 200mm, 300mm, 500mm Focal Lengths - 3 Double Convex & 3 Double Concave, 2" (50mm) Diameter Lenses - Optically True Glass - Ground, Beveled Edges - Eisco Labs

Suncatcher - Axicon Rainbow Window - Includes Bonus Rainbow on Board Sun Catcher

Amlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL), 6 Piece Set

Rainbow Symphony Diffraction Grating Slides - Linear 1000 Line/Millimeters, Package of 25

EISCO Premium Quantitative Spectroscope, +/- 5nm Accuracy

Bloomoak Optical Glass Triangular Prism,with Rotatable and Adjustable Steel Stand Holder,for Teaching Light Spectrum Physics,Photography and Crystal Rainbow Maker

H&D 11pcs Clear Crystal Chandelier Lamp Lighting Drops Pendants Balls Prisms Hanging Glass Prisms Parts Suncatcher Home/House Decor

Optical Glass Triangular Prism, 2 Pack 1.97 Inch Crystal Rainbow Maker for Photography Science Experiments Physics Teaching Light Spectrum