Activity & Learning Toys
SIULAS Optics Experiment Box Model - Physics Optical Experiment Kit - Reflector Refraction Triangular Prism Convex Lens Concave Mirror Linear Light,White,10cm
Physics Optical Experiment Kit :High quality lens kit, three way linear light for light path demonstration. Direction Can Be Fine-Tuned:Adjust the direction of the light head so that the light direction is as parallel as possible to ensure the...
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