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Ideal for middle school: this physical teaching light is for physics optical experiments,experimental device,educational science model
Clear and bright: the f-type light source clear and bright experimental results,physics teaching supplies,physical teaching light
Long-lasting: crafted from plastic materials, this physical light source can be used for longer time,optical teaching aid,light source appliance
Education model-- the red light design reduces eye irritation for students and protects their visual health,physical teaching tool
Eye protection: the red light design protects students' eyes from irritation and strain,physical optics experiment light source,teaching supplies