Motor Demonstration Board Pack Size_10 Jumbo three-dimensional frog dissection model

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

5 inch Alnico bar pair with steel keepers

the flywheel light enough to drive by breath for hands-on reciprocating-engine study

Walks students through four-stroke diesel operation on a 16-inch hand-cranked model

letting students rub one half against the same cloth and compare insulator and conductor behavior in triboelectric charging

Motor Demonstration Board Pack Size_10 Jumbo three-dimensional frog dissection modelLow 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.