StayMax X-Cube RGB Prism Dispersion Prism for Physics and Decoration 1.33inX1.33inX1.33in(3.4x3.4x3.4cm)

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

UKCOCO 3 Pack Optical Glass, RGB Dispersion Prism Cube, Perfect for Teaching Light Spectrum Physics (Varied Size)

Together-life Clear Cut Crystal Suncatcher Ball Prisms Glass Sphere Faceted Gazing Ball Crystals for Home Décor, Window (100mm/3.94in)

Amlong Crystal Clear Pyramid 2.75 inch High with Gift Box

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

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

4pcs Cube Prism Optical RGB Combiner Splitter Physics Science Lab Teaching Instrument

StayMax Optical Glass RGB Dispersion Prism X-Cube for Physics Decoration Art 3 Different Sizes 10mm,20mm,30mm

Diffraction Grating sheet 13,500 lines/inch - Double Axis 5ft Long x 6 inches Wide

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