Physics Optics Experiment Set Refraction and Reflection of Light,Convex Lens and Small Hole Imaging Experiment, Three Primary Colors of Light School Optics Learning Educational Science Kits June_2023_update Specification: Material: Iron Color: Silver Arts craftsOUR GUARANTEE Our Specification: Material: Iron Color: Silver Overall Size: 48mm x 32mm 1 which has good insulation your satisfaction is our ultimate pursuit Easily complete physical optics experiments
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