Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Blue, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Crimson Red, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
Glass Petri Dish Has Two Pieces (Lid And A Dish)And Are Packed Individually, Can Expose You To Chemicals Including Arsenic, Which Are Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm, Not For Children 13, Size: 100Mm Dia
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 1in Hx1in W
Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 25mm length, 25mm face size
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