US$ 136.07
this four-metal cylinder set of brass
sized for solenoid and transformer windings that need many turns in a compact space
and numbered anatomical details for comprehensive teaching
digital display that allows you to setup experiments
5-inch inner-diameter end tubes
6-Piece Parallel Plastic Pulley Set, 50mm Diameter Science Classroom this four-metal cylinder set ofSix pulley set with single, double parallel, and triple parallel plastic wheels at 50mm diameter in low friction ball bearing steel frames, sized for whole class compound pulley setups.
US$ 136.07
US$ 477.23
US$ 114.49
US$ 140.50
US$ 212.13
US$ 124.49
US$ 135.12
US$ 34.95