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OUNONA 6 Pcs Optical Lenses Rectangular Hand-made Watchmaking Tuned Hammer Thumb Transparent
Description This acrylic optical lenses set includes a variety of shapes such as triangles semicircles and rectangles. These lenses are nice for use in physics demonstrations and laboratory equipment and can help students understand the principles...
$5.50 $3.46 Delivery: $6.59
