Description
Heavy-duty 500-piece teacher molecular model set with 230 atoms and 270 bonds
dermal papillae
Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes
Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns
Pith Ball Electroscope Research Lab Heavy-duty 500-piece teacher molecular modelTwo pith balls suspended on unspun silk from a brass pillar, fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction.
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
