Large Metal Spring with Stand

The ultimate spring for demonstrating transverse and longitudinal waves. Comes with stand for easy, tangle-free storage. It is 2-3/4″ in diameter and 8″ L when compressed, but it can be stretched up to 60 ft!

Description

The ultimate spring for demonstrating transverse and longitudinal waves. Comes with stand for easy, tangle-free storage. It is 2-3/4″ in diameter and 8″ L when compressed, but it can be stretched up to 60 ft!

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