12-Piece Density Metals Variety Set with Assorted Shapes Material_PVC Dial-selectable multi-tap battery eliminator delivering

Dial-selectable multi-tap battery eliminator delivering 1

diverting a calibrated portion of bench-supply current around the meter coil so the galvanometer reads heavier loads safely

each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it

transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable

and engraved index line for reference alignment

12-Piece Density Metals Variety Set with Assorted Shapes Material_PVC Dial-selectable multi-tap battery eliminator deliveringAssorted shape density kit with 12 specimens across brass, iron, aluminum, copper, zinc, and lead, each 12 25g, giving students shape variation on top of the material density comparison.