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Homoyoyo Physics Optical Lens Double Convex Magnifying Lens 6X Magnification Glass Smooth Surface Easy to Carry for Physics Teaching and Science Experiments
ELAYARD Physics Optical Lens Magnifier Lens 6X Magnification Glass Lightweight Sturdy 160Mm for Teaching and Scientific Experiments
Abaodam Convex Lens Magnifier Making Lens 6X Magnification 160Mm Focal Length Smooth Surface Easy to Clean for Reading and Learning about The Light
HOODANCOS Physics Optical Lens Glass Lens 6X Magnification Well Polished Compact Size for Teachers
HANABASS Optical Glass Magnifying Lens 6x Magnification with Smooth Surface and 160mm Focal Length, Portable Convex Lens for Experiment Learning Aids and Hobby Magnifier