Product Information Students will enjoy making their own optical lenses with concentrated gelatin providing you with an easy and inexpensive way to provide demonstrations in real and virtual imaging, spherometry, ray tracing, and the application of lens formulas. With careful handling these lenses will last for several days...as long as students don’t eat them first. Kit contains four Petri dishes, four large watch glasses, spherometer, plastic tube with scale, three packages of gelatin, and an instruction guide. Tell a Friend about this item
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