Description
101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon
Designed to teach Ohm's law and current-limiting behavior
plus glass
this two-coil demonstration transformer lets students swap primary and secondary windings to watch step-up and step-down voltage shifts firsthand
Thermal Conductivity Metal Ring with Copper, Iron, Aluminum, and Brass Strips Glassware 101-piece teacher-grade molecular model setCompares simultaneous heat transfer through copper, iron, brass, and aluminum via four engraved strips radiating from a heated 4. 5 inch metal ring, each strip 5 inches long.
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
























