Balacoo Double Convex Lens: Magnifying Glass fire Starter Light Optical Lens Magnifying Glass Lens Fresnel Lens Glass Lens Diameter Kids Glass Round Electroscope 100mm
$7.89
Description
Dia: 5cm..Length: 100mm.Glass lenses Made of polished glass with ground edges..Double glass lens for demonstrating optical principles and effects for ..Science classroom optics kits used in scientific experiments and classroom demonstrations. Perfect for use.
