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mirrors and more in this light and optics kit make teaching and learning the science of reflection
8) QR code which links to rotating monthly Easter-eggs on a hidden GLG page
The iconic periodic table poster by author Theodore Gray is now available as an 8
look at our 40" x 20" single-sided edition here
Silicone Lens Mold for Gelatin Lenses (DIY) stem education mirrors and more in thisSilicone mold for making your own concave lens, convex lens and spherical lens out of Gelatin (or Agar) for light and optics experiments and science lessons. This durable silicone tray makes a perfect set of lenses with simple, plain gelatin concave, convex and semi spherical. Perform dozens of science experiments including refraction, magnification, measure the index of refraction of the gelatin you can even add sugar or coloring to explore even more
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