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Optical Science Experiment Physics Educational Toys -50mm Focal Concave Lens

Description:

Optical glass lens, optical bench accessory

Science experiment - exploring optical property, Early physics science educational toy for kids children student

Student pupil teaching Aids.the fun of the lenses learning science knowledge

kid science development toys, a series of physical science boarden kids and children , stimulating their curiosity

Material: Optical Glass, Frame

Color:As picture show

Size Chart:

Concave Lens Diameter: 30mm

Focal Length: -50mm

Handle length : 12.5cm/ 4.92 inch

Package Includes:

1 piece Optical Glasses Len Toy