Description:

Optical glass lens, laboratory 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 knowledge
kid science development toys, a series of physical science boarden kids and children , stimulating their curiosity
Material: Optical Glass, Plastic Frame
Color：As picture show

Size Chart:

Convex Lens Diameter: 40mm
Focal Length: 100mm
Handle length : 13.5cm/ 5.31 inch

Package Includes:

1 piece Optical Glasses Len Toy
(4 Pack)

Note:

Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you bid.
Due to the different monitor and light effect, the actual color may be slightly different from the picture color.