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Price: $7.99
Danger may cause injury or break objects at close range. Point in a safe direction! Caution Required!! Fascinating project propels aluminum rings to a considerable velocity. Demonstrates the LORENTZ force plus important properties of magnetic energy. Rings may be restrained to flyway for safety or class room demonstration. Usually not required for outside adult supervised use. Operates from a safe 12 volt wall adapter or use battery for hand gun configuration. Can be easily modified to propel ball bearings. EML3
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