Simple Machines Gear Rack Model Science at Home_General Science Supplies 250mL CAPACITY || Single Erlenmeyer

250mL CAPACITY || Single Erlenmeyer Flasks with 250mL capacity and easy-to-read white enamel graduations every 50mL

Integrated diaphragm beneath an 8-inch heart model contextualizes cardiac position within the thoracic cavity during combined respiratory and cardiac teaching

Built around electron-microscope reference detail

Tool-free 5-minute assembly to a 21-inch height puts ripple-tank wave behavior - reflection

Simple Machines Gear Rack Model Science at Home_General Science Supplies 250mL CAPACITY || Single ErlenmeyerRotation to linear gear rack simple machine model converting circular gear motion into straight line rack travel, demonstrating the mechanism behind crankshaft pistons and steering racks.