Lens material: ABS. Preferred material, , safe, durable and functional. Batteries required: 2 AAA batteries (not included)
Three-way linear : The direction of the light can be adjusted with a screwdriver.
Optical experiments: refraction of light, convex lens refraction, lens refraction, prism refraction, plane mirror reflection, diffuse reflection, convex mirror reflection, concave mirror reflection, etc.
Physical Optics Experiment Set: Will give your child a understanding of physical optics, making learning easier and more enjoyable!

Name: Optical Experiment Kit
Colour:White
Material:ABS
Size: 24 x 14 x 3cm

Package Contents:
1x 3 Times Bi-Convex Lens
1x Single Concave Lens
1x Acrylic Glass Brick
1x Single Convex Lens
1x Double Concave Lens
1x Triangular Prism
1x Three-Way Linear
1x Multifunctional Reflector