Watch and be amazed at what your music can do with the new Snap Circuits® LIGHT. Connect your ipod® or any MP3 player and enjoy your music as the l...
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Take a look! These unique child-size glasses and interchangeable lenses let students observe the world while learning about color. Each pair of gla...
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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 prism...
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