US$ 13.97
each plain-shanked for clamping or holding
US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle
the next step up from the 1-ohm reference for low-resistance series-circuit and divider work
and 6V-powered ignition light staging each step
Replacement Pulley for Magnetic Force Board Health & Genetics_Health & Genetics Models each plain-shanked for clamping orMagnetic base pulley with a 50mm ball bearing plastic wheel, snapping onto magnetic whiteboards or force boards for quick repositioning during classroom mechanics demonstrations.
US$ 13.97
US$ 20.99
US$ 17.99
US$ 20.99
US$ 24.99
US$ 55.99
US$ 24.99
US$ 48.97
US$ 20.99
US$ 20.99
US$ 39.19