US$ 78.00
with retractable hooks for tandem stacking during physics force experiments
Thirteen nickel-plated steel forks spanning C 236Hz to C 512Hz at +/-5% accuracy
this demo motor on a molded ABS base operates at 6-8V to demonstrate visible-spectrum color mixing
eudiometers etc
Hexagonal Weights Set - 200gm Material_Polypropylene with retractable hooks for tandem
US$ 78.00
US$ 174.00
US$ 124.00
US$ 188.00
US$ 198.00
US$ 149.00
US$ 134.00
US$ 54.00