"gel box"
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LED Ray Box
Clearance
Demonstrate the optical principles of lenses and mirrors.
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Clear Cylindrical Lenses for Ray Optics
Clearance
Ideal selection for use with a ray box.
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Concepts of Light Classroom Kit
Clearance
Help Your Students Perceive How Light Behaves
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Lens Sets
Clearance
Choose high quality crown glass or shatter-resistant acrylic lenses.
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