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

illustrating late-pregnancy presentation for obstetric and reproductive anatomy teaching

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

and Lenz's law investigations

For image formation studies on optical benches

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

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.