Description
Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10
the four-sided geometry letting students explore deviation through non-equilateral cross-sections
and 6V-powered ignition light staging each step
Liquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent
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 Beech wood test tube rackHand 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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























