6-Piece Parallel Plastic Pulley Set, 50mm Diameter Science Classroom Two-part split heart model on

Two-part split heart model on an integrated base separates into right and left hemispheres

Regulated dual AC/DC power supply displaying voltage and current on independent digital readouts

this Wimshurst generator builds a visible high-voltage spark

and numbered anatomical details for comprehensive teaching

digital display that allows you to setup experiments

6-Piece Parallel Plastic Pulley Set, 50mm Diameter Science Classroom Two-part split heart model onSix 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.