Standard Demonstration Dynamo with Hand Driver on Base cylinder and 6V-powered ignition light staging

and 6V-powered ignition light staging each step

Liquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent

Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10

and connecting leads mounted on 4mm-socketed bases for building circuits from 40-plus components

producing audible beats when sounded against its fixed-frequency partner on the matching wooden resonance base

Standard Demonstration Dynamo with Hand Driver on Base cylinder and 6V-powered ignition light stagingHand cranked pulley steps up to a smaller dynamo pulley through a rubber belt, lighting an LED at the 4mm sockets; the unit also runs as a motor on 6 8V DC for energy conversion demos.