Motor Demonstration Board Pack Size_10 illustrating late-pregnancy presentation for obstetric

illustrating late-pregnancy presentation for obstetric and reproductive anatomy teaching

and Lenz's law investigations

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

Jumbo three-dimensional frog dissection model with keycard demonstrates amphibian anatomy and organ systems for detailed vertebrate teaching

Motor Demonstration Board Pack Size_10 illustrating late-pregnancy presentation for obstetricLow voltage DC motor with a current limiting series resistor on a demonstration base with 4mm plug connections, sized as a load that visibly spins when current flows in the circuit.