US$ 10.00
75 inch inner
and ad-hoc experimental setups
sized for individual student-lab use in simple-machines units
Five-pulley set of tandem low-friction plastic pulleys at 25
Alnico Cylindrical Magnet, 37 x 9mm Material_Copper 75 inch innerPink dots mark opposing poles on this 37 x 9mm Alnico cylinder pair, supplied with steel keepers and a cardboard storage box for sustained field strength between hands on experiments.
US$ 10.00
US$ 32.00
US$ 14.00
US$ 21.95
US$ 21.90
US$ 28.00