Clothespins For use with the Clothesline Pulley. Spring style. 50/pkg. MSRP: Was: Now: $4.95 Add to Cart
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,... MSRP: Was: Now: $125.00 Add to Cart
Pipe Cleaners - Assorted Colors Ideal for twisting and shaping into figures, etc. 12" Long. 100/pkg. MSRP: Was: Now: $2.95 Add to Cart
Rods for Spring Making System Additional rod pack for making springs. MSRP: Was: Now: $14.95 Add to Cart
Springs Assorted springs can be used for hundreds of things such as: student-designed inventions, robots, Rube Goldberg designs, etc. 100/pkg. MSRP: Was: Now: $9.95 Add to Cart
