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 wood for multi-material pendulum

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

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

dermal papillae

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.