Advanced Life-Size Heart and Lungs Model, Hand-Painted, 7-Part Subcategory_Rulers and Measuring 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

25-inch frame with draining pins for post-wash inversion and drying

Student kit for constructing a working DC motor from component parts

Five 32mm ceramic ring magnets stack on a 150mm wooden dowel rising from a 5

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Advanced Life-Size Heart and Lungs Model, Hand-Painted, 7-Part Subcategory_Rulers and Measuring Shows oxygenated and deoxygenated bloodShows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand painted removable parts designed with medical professional input.