United Scientific PAR100 Acrylic Right Angle Prism, 100mm Length, 25mm Right Angle Side, 35mm Hypotenuse

Amlong Crystal 6 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 150mm

Amlong Crystal 2.5 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 60mm

Amlong Crystal Clear Pyramid 2.75 inch High with Gift Box

United Scientific CUBAO2 Acrylic Cube Prism, 2" Sides

Large Right Angle Prism, 2.9"(74 mm) Hypotenuse, 2" (50mm) Sides, Made of Acrylic

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

CynKen 1Pcs Optical Glass RGB Dispersion Prism X-CUBE for Physics Teach Decoration Art

Eisco Labs Equilateral Acrylic Prisms With 1 inch Sides, Set of 3 Prisms - 1 Inch, 2 Inch, and 4 Inch Lengths

Trend UDWS/HP/LS Honing Compound Leather Strop

Amlong Crystal 2.5 Inch, 4 inch, 6 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, Set of 3