Parallel and Series Circuit Demonstrator Subcategory_Racks and Stands Shows oxygenated and deoxygenated blood

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

Selected through four rotary-switch decades from 0 to 11

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

5-inch diameter

rated to 1 amp and terminated on a 45 cm coaxial cable for suspension and electromagnetic induction investigations

Parallel and Series Circuit Demonstrator Subcategory_Racks and Stands Shows oxygenated and deoxygenated bloodFive bulb circuit demonstrator with 8 removable metal bars on a heavy base, letting students rearrange bars to convert between series and parallel topologies on the same set of lamps.