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Long-Metal-Coil-Spring-wave-demonstrator is a kind fashion product from Hema brand factory. As the manufacturer and supplier in China, we provide customized service and make newest and fashion Long-Metal-Coil-Spring-wave-demonstrator in classy quality. Contact us for lastest selling Long-Metal-Coil-Spring-wave-demonstrator and advanced items. Welcome to to place bulk orders. Low price can be discussed.

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Wave Spring

This Wave Spring is ideal for visually demonstrating wave properties, such as frequency, wavelength, and interference, in the classroom. Can be used in a variety of experiments, and provides a hands-on teaching tool that students always seem to enjoy. Extends to thirty feet in length, measures about 6.5" fully coiled. Also makes a great gift for anyone who was or is a fan of the smaller toy version we all know from our childhoods.