Giant Metal Spring

For demonstrating transverse and longitudinal waves. Stretches up to 30 ft. Measures 3-1/2″ in diameter and 3″ long (when compressed). Instructions included.

Description

For demonstrating transverse and longitudinal waves. Stretches up to 30 ft. Measures 3-1/2″ in diameter and 3″ long (when compressed). Instructions included.

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