Wind your own springs with KELVIN(r)'s NEW Spring Maker(tm) and learn about math. The system creates several different thicknesses of springs that you can use with your cars, machines, and inventions. A special Power Point presentation covers spring design, manufacturing, calculation of spring rate, and measurement of spring rate. It also includes student activity to manufacture spring scale. The system includes: - Spring Winder
- Table Clamp
- Metal Rods
- Student Activity
- Power Point Presentation
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