Half-Size Human Circulatory System Model, Compact Gifts_Bar 25x with a 5

25x with a 5

fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction

Bulk 144-pack of pre-cleaned 75 x 25mm glass microscope slides features frosted labeling ends and ground polished edges for high-volume teaching labs

producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels

Walks students through four-stroke diesel operation on a 16-inch hand-cranked model

Half-Size Human Circulatory System Model, Compact Gifts_Bar 25x with a 5Sized for compact classroom display, the half size circulatory model traces arterial and venous pathways from heart to peripheral capillaries.