Lattice Support Clamps, 12.5mm Rods, 12-Pack Capacity_50mL an ignition light firing on

an ignition light firing on compression for visual timing

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

and raised-graduated for shatterproof bench use

Lattice Support Clamps, 12.5mm Rods, 12-Pack Capacity_50mL an ignition light firing onPack of 12 metal lattice support clamps fitting rods up to 12. 5 mm in diameter, tightened with an Allen wrench for constructing lattice frameworks on laboratory benches.