EHVYBDX Physical Science Kit Concave Lens Convex Lens Refractor Various Optical Experiments Can Be Performed

Small-hole imaging plate: Three different shapes of small holes, rigorous experiment, good effect Concave-convex lens:Optical-grade lens, upgraded large-sized concave-convex lens, thickened and smoother frame Three-line light source: Industrial-grade laser is used, with strong light penetrating power Acrylic lens: Crystal clear light, strong penetrability, obvious experimental effect Happy experiment:You can use this set of optical equipment to carry out optical experiments, and you can work with your children, which is also suitable for scientific experiments in school classrooms, Manufacturer: EHVYBDX