Hand-Crank Van de Graaff Generator, 100,000V Biology this 2-pack of 20oz Griffin-shape

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

and sacrum bones with articulations

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

and raised-graduated for shatterproof bench use

exposing the full urinary tract for combined anatomy and physiology teaching at 15 by 9 inches

Hand-Crank Van de Graaff Generator, 100,000V Biology this 2-pack of 20oz Griffin-shapeHand cranked to convert mechanical work into electrostatic energy, this Van de Graaff generator delivers spark producing high voltage demonstrations in the physics classroom.