• KELVIN® Spring Making System

    KELVIN® Spring Making System

    Wind your own springs with KELVIN®'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,...

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  • Pipe Cleaners

    Pipe Cleaners

    Ideal for twisting and shaping into figures, etc. 12 in. Long. - Assorted Colors. 100/pkg.

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  • Springs


    Assorted springs can be used for hundreds of things such as: student-designed inventions, robots, Rube Goldberg designs, etc. 100/pkg.

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