14-Piece Solid Brass Slotted Mass Set Meters_Electrical sized for repeated student use

sized for repeated student use on solid-core and stranded wire ahead of crocodile-clip and terminal-block work

varying length isolating density as the single variable across materials

and hygrometer in a single classroom-scale unit for monitoring room conditions at a glance

Miniature desktop torso with 12 removable parts includes a dissectable head and brain for compact classroom anatomy and biology teaching

5 inch base for precise angle measurement during wave-optics investigations

14-Piece Solid Brass Slotted Mass Set Meters_Electrical sized for repeated student useBrass fourteen piece slotted mass set machined across 1 to 500 gram pieces at a 1110 gram total, supplied on a plastic and metal rack with a carrying handle for classroom transport.