RVFM Wire Helix 100mm Springy Toy
Description
Wire-Helix-100mm-RVFM-52-2676-p-Flat-section-steel-wire-suplied-in-a-helical-coil-suitable-for-use-in-the-study-of-sound-and-waves-in-the-physics-lab-or-simply-for-having-fun-at-home-p-RVFM-Wire-Helix-100mm-Springy-Toy-Slinky-
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