Activity & Learning Toys

Physical Optical Kit Experiments Parallel Light Source Pinhole Imaging Optical Experiment Box School Physics Experiment Equipment, Three-line light source: using industrial-grade laser, strong light transmission ability Concave-convex lens: optical grade lens, upgraded large-size concave-convex lens, thickened smooth frame Small hole imaging plate: three different shapes of... Physical Optical Kit Experiments Parallel Light Source Pinhole Imaging Optical Experiment Box School Physics Experiment Equipment,