AHANDMAKER 5 Pcs Physical Optical Experiment Set, Acrylic Lens and Prism All Faces Fully Polished for Lab Supplies Physics Teaching (Double Concave, Double Convex, Rectangle, Semicircle) sold2026 2pcs orange color and 2pcs

2pcs orange color and 2pcs green color

and the black markings make it easy to read

and self-regualtion

Kanjos plastic stimulators are custom designed to ensure maximum coverage on the feet

Large quantity of cables

AHANDMAKER 5 Pcs Physical Optical Experiment Set, Acrylic Lens and Prism All Faces Fully Polished for Lab Supplies Physics Teaching (Double Concave, Double Convex, Rectangle, Semicircle) sold2026 2pcs orange color and 2pcsAHANDMAKER 5 Pcs Physical Optical Experiment Set, Acrylic Lens and Prism All Faces Fully Polished for Lab Supplies Physics Teaching (Double Concave, Double Convex, Rectangle, Semicircle) Material: Acrylic Color: Mixed Color Package Include: 5Acrylic lens Note: Please allow slight dimension difference due to different manual measurement. Product Features High Quality: Made of acrylic material, clear acrylic resists shattering and impact, good light