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hand crafted wood castanets with handles in graduated sizes and sounds
SKU: ERSLER0697
Sold as a pack of 3 horseshoe magnets
A smooth side that is ideal for felt pens
SKU: ERSSC-700148-2
Discovering Optics Social Studies Connect hand crafted wood castanets withMPN: 006607 UPC: 713757869317 No matter how complicated a camera, a telescope, or a microscope is, it consists of one or more of these basic elements: mirrors, lenses, and prisms. Explore the principles of reflection, refraction, and the physics of how light works as you discovery all about optics. Kit includes a flexible mirror (Bonus), cylindrical double concave lens, cylindrical double convex lens, small equilateral prism, small mirror, laser, 4
US$ 29.95
US$ 15.00
US$ 58.25
