Activity & Learning Toys

Optical Experiment Box School Physics Experiment Equipment Complete Set of Experiment Box Optical Tools Prism Concave Lens Convex Lens, Acrylic lens: crystal clear, strong penetrating power, obvious experimental effect Three-line light source: using industrial-grade laser, strong light transmission ability Small hole imaging plate: three different shapes of small holes, rigorous... Optical Experiment Box School Physics Experiment Equipment Complete Set of Experiment Box Optical Tools Prism Concave Lens Convex Lens,