14-Piece Solid Brass Slotted Mass Set Meters_Electrical and nucleus out of the

and nucleus out of the cell body for hands-on organelle identification in cell biology teaching

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

Removable full-term fetus sits within a numbered female pelvis

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

varying length isolating density as the single variable across materials

14-Piece Solid Brass Slotted Mass Set Meters_Electrical and nucleus out of theBrass 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.