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.
Wave spring
Gelsonlab HSPW-015 Wave spring Long Metal Coil Spring wave demonstrator Wave Form Helix, 4" Closed Length x 3" D for teaching