Description
sized for pool
Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes
Heavy-duty 500-piece teacher molecular model set with 230 atoms and 270 bonds
armature winding
dermal papillae
Pith Ball Electroscope Research Lab sized for poolTwo 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
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