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

and a 1-degree protractor

5 inch Alnico bar pair with steel keepers

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

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

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.